{"action":"Upgrade github.com/traefik/traefik/v3 to 3.6.22 or later.","affected":[{"fixed":"3.6.22","introduced":"0"},{"fixed":"3.7.6","introduced":"3.7.0"}],"component":"github.com/traefik/traefik/v3","cve_ids":["CVE-2026-54764"],"ecosystem":"Go","epss":0.00281,"exploited":false,"fixed_versions":["3.6.22","3.7.6"],"ghsa_id":"GHSA-3q9r-p662-5j8m","id":"tcs_01M5KGSCYY3DWJ7CJBNXZMGS6D","modified_at":"2026-08-18T15:00:24.133296737Z","published_at":"2026-08-18T14:32:29Z","references":["https://osv.dev/vulnerability/GO-2026-6202","https://github.com/traefik/traefik/security/advisories/GHSA-3q9r-p662-5j8m","https://nvd.nist.gov/vuln/detail/CVE-2026-54764","https://github.com/traefik/traefik/commit/7ae92d8c2c10ac04ef5a03df0ed5019ce0f44b2d","https://github.com/traefik/traefik/pull/13344","https://github.com/traefik/traefik/releases/tag/v2.11.51","https://github.com/traefik/traefik/releases/tag/v3.6.22","https://github.com/traefik/traefik/releases/tag/v3.7.6"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6202#Go/github.com/traefik/traefik/v3","url":"https://osv.dev/vulnerability/GO-2026-6202"}],"summary":"Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false in github.com/traefik/traefik"}