{"items":[{"id":"NVI-00016441","kind":"vulnerability","title":"nebula-mesh: Unauthenticated OIDC login endpoint allocates unbounded in-memory state entries without rate limiting","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m3cx-mwpg-32jg","CVE-2026-55512"],"plain_summary":"GitHub lists this reviewed advisory for github.com/forgekeep/nebula-mesh. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-7117370eff6457f4a2cb45ae07e72031"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-14T20:19:33.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7117370eff6457f4a2cb45ae07e72031"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-7117370eff6457f4a2cb45ae07e72031","url":"https://github.com/advisories/GHSA-m3cx-mwpg-32jg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m3cx-mwpg-32jg","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T09:59:43.724Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7117370eff6457f4a2cb45ae07e72031"],"technology":"github.com/forgekeep/nebula-mesh","known_exclusions":[],"conditions_summary":"### Summary\nWhen OIDC is enabled, `GET /ui/oidc/login` is reachable without authentication and is registered outside the Web UI rate-limited auth routes. Every request creates a fresh random OIDC state value and stores it in an in-memory map for `10m`. Expired states are swept lazily, but there is no rate limit or maximum live-state cap on the allocation path. An unauthenticated remote client can therefore grow `OIDC.states` for the full state TTL, bounded by request throughput rather than by configured auth rate limits.\n\n### Details\nThe OIDC login route is registered directly by `WithOIDC`:\n\n- `internal/web/web.go:153` registers `w.router.Get(\"/ui/oidc/login\", o.HandleLogin)`.\n- `internal/web/web.go:154` rate-limits only `GET /ui/oidc/callback` with `w.rateLimitMiddleware(\"auth\")`.\n\nThe normal `/ui/*` route group applies rate limiting to login/register form submissions, but this direct registration happens outside that group:\n\n- `internal/web/web.go:287` through `internal/web/web.go:292` show the rate-limited local login, TOTP, and register POST routes.\n\nThe OIDC login handler allocates persistent server-side state before redirecting to the configured identity provider:\n\n- `intern","public_affected_ranges":[">= 0.2.0, < 0.5.0"]}],"null_published_at":"2026-11-04T10:04:27.944Z","source_updated_at":"2026-07-14T20:19:33.000Z","source_disclosed_at":"2026-07-14T20:19:32.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-04T09:59:43.724Z"}],"next_cursor":null,"snapshot_revision":"42594"}