{"schema_version":"1.3.1","id":"GO-2026-6204","modified":"2026-08-18T14:32:29Z","published":"2026-08-18T14:32:29Z","aliases":["CVE-2026-71326","GHSA-6765-c87h-8mrf"],"summary":"Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing in github.com/traefik/traefik","details":"Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing 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"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/traefik/traefik/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.6.11"},{"fixed":"3.6.25"},{"introduced":"3.7.0"},{"fixed":"3.7.10"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-6765-c87h-8mrf"},{"type":"FIX","url":"https://github.com/traefik/traefik/commit/b5ace8eb5d6779980567f5e75efd2d9e08b7e350"},{"type":"FIX","url":"https://github.com/traefik/traefik/pull/13572"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.6.25"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v3.7.10"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6204","review_status":"UNREVIEWED"}}