{"action":"Upgrade github.com/traefik/traefik/v2 to 2.11.56 or later.","affected":[{"fixed":"2.11.56","introduced":"0"}],"component":"github.com/traefik/traefik/v2","cve_ids":["CVE-2026-88011","CVE-2026-88879"],"ecosystem":"Go","exploited":false,"fixed_versions":["2.11.56"],"ghsa_id":"GHSA-rf44-j88r-hh8c","id":"tcs_01M5KFMJMNP7GRH1MF44RNHQRW","modified_at":"2026-09-17T17:40:34.771461848Z","published_at":"2026-09-10T20:28:15Z","references":["https://osv.dev/vulnerability/GHSA-rf44-j88r-hh8c","https://github.com/traefik/traefik/security/advisories/GHSA-rf44-j88r-hh8c","https://nvd.nist.gov/vuln/detail/CVE-2026-88011","https://github.com/traefik/traefik/pull/13720","https://github.com/traefik/traefik/commit/0331801c72329e0eaeb850e53ccce87c57fbecf8","https://github.com/traefik/traefik","https://github.com/traefik/traefik/releases/tag/v2.11.56","https://github.com/traefik/traefik/releases/tag/v3.7.12"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-rf44-j88r-hh8c","url":"https://osv.dev/vulnerability/GHSA-rf44-j88r-hh8c"}],"summary":"Traefik: ForwardAuth identity spoofing via dot-form header alias"}