{"schema_version":"1.3.1","id":"GO-2026-6202","modified":"2026-08-18T14:32:29Z","published":"2026-08-18T14:32:29Z","aliases":["CVE-2026-54764","GHSA-3q9r-p662-5j8m"],"summary":"Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false in github.com/traefik/traefik","details":"Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false 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":"2.11.51"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/traefik/traefik/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.22"},{"introduced":"3.7.0"},{"fixed":"3.7.6"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-3q9r-p662-5j8m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54764"},{"type":"FIX","url":"https://github.com/traefik/traefik/commit/7ae92d8c2c10ac04ef5a03df0ed5019ce0f44b2d"},{"type":"FIX","url":"https://github.com/traefik/traefik/pull/13344"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.11.51"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.6.22"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.7.6"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6202","review_status":"UNREVIEWED"}}