{"action":"Upgrade github.com/traefik/traefik/v3 to 3.6.3 or later.","affected":[{"fixed":"3.6.3","introduced":"3.5.0"}],"component":"github.com/traefik/traefik/v3","cve_ids":["CVE-2025-66491"],"ecosystem":"Go","epss":0.00221,"exploited":false,"fixed_versions":["3.6.3"],"ghsa_id":"GHSA-7vww-mvcr-x6vj","id":"tcs_01M5KF2PTFG6SM1MZZXP31CNSC","modified_at":"2026-09-10T03:50:31.689588670Z","published_at":"2025-12-08T16:43:06Z","references":["https://osv.dev/vulnerability/GHSA-7vww-mvcr-x6vj","https://github.com/traefik/traefik/security/advisories/GHSA-7vww-mvcr-x6vj","https://nvd.nist.gov/vuln/detail/CVE-2025-66491","https://github.com/traefik/traefik/commit/14a1aedf5704673d875d210d7bacf103a43c77e4","https://github.com/traefik/traefik","https://github.com/traefik/traefik/releases/tag/v3.6.3"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-7vww-mvcr-x6vj","url":"https://osv.dev/vulnerability/GHSA-7vww-mvcr-x6vj"}],"summary":"Traefik Inverted TLS Verification Logic in ingress-nginx Provider"}