{"id":"GO-2026-5083","summary":"Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services in github.com/traefik/traefik","details":"Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services in github.com/traefik/traefik","aliases":["CVE-2026-54761","GHSA-3g6v-2r68-prfc"],"modified":"2026-07-02T14:44:24.249287902Z","published":"2026-06-25T18:26:48Z","related":["CGA-hv92-fc8x-gp7x"],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5083","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.6.21"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.7.5"}],"affected":[{"package":{"name":"github.com/traefik/traefik","ecosystem":"Go","purl":"pkg:golang/github.com/traefik/traefik"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5083.json"}},{"package":{"name":"github.com/traefik/traefik/v2","ecosystem":"Go","purl":"pkg:golang/github.com/traefik/traefik/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5083.json"}},{"package":{"name":"github.com/traefik/traefik/v3","ecosystem":"Go","purl":"pkg:golang/github.com/traefik/traefik/v3"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.21"},{"introduced":"3.7.0-ea.1"},{"fixed":"3.7.5"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5083.json"}}],"schema_version":"1.7.5"}