{"id":"GO-2025-4206","revision":"2dde11c48691484da82bbe1258a58608","records":[{"revision":"2dde11c48691484da82bbe1258a58608","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2025-4206","aliases":["CVE-2025-66490","GHSA-gm3x-23wp-hc2c"],"title":"Path Normalization Bypass in Traefik Router + Middleware Rules in github.com/traefik/traefik","description":"Path Normalization Bypass in Traefik Router + Middleware Rules in github.com/traefik/traefik","state":0,"publishedAt":"2025-12-15T19:37:35+00:00","modifiedAt":"2026-04-16T02:14:30.441752+00:00","affected":[{"ecosystem":"Go","name":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.11.32"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.6.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-gm3x-23wp-hc2c","https://nvd.nist.gov/vuln/detail/CVE-2025-66490","https://github.com/traefik/traefik/releases/tag/v2.11.32","https://github.com/traefik/traefik/releases/tag/v3.6.4"],"sourceUrl":"https://osv.dev/vulnerability/GO-2025-4206","license":"OSV · upstream source license applies","key":"osv:GO-2025-4206","identifiers":["GO-2025-4206","CVE-2025-66490","GHSA-gm3x-23wp-hc2c"]},"retained":false,"historicalAffected":[]}],"coverage":[]}