{"schema_version":"1.3.1","id":"GO-2026-4897","modified":"2026-04-02T18:42:30Z","published":"2026-04-02T18:42:30Z","aliases":["GHSA-46wh-3698-f2cx"],"summary":"Traefik: Deny Rule Bypass via Unauthenticated Malicious gRPC Requests in gRPC-Go Dependency (CVE-2026-33186) in github.com/traefik/traefik","details":"Traefik: Deny Rule Bypass via Unauthenticated Malicious gRPC Requests in gRPC-Go Dependency (CVE-2026-33186) in github.com/traefik/traefik","affected":[{"package":{"name":"github.com/traefik/traefik","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/traefik/traefik/v2","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.42"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/traefik/traefik/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta3"},{"fixed":"3.6.12"},{"introduced":"3.7.0-ea.1"},{"fixed":"3.7.0-ea.3"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-46wh-3698-f2cx"},{"type":"WEB","url":"https://github.com/advisories/GHSA-p77j-4mvh-x3m3"},{"type":"WEB","url":"https://github.com/traefik/traefik/blob/67c64ed9b25fbb90f1086977a62827133a7aa01b/go.mod#L108"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.11.42"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.6.12"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.3"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4897","review_status":"UNREVIEWED"}}