{"id":"GO-2026-6558","revision":"4868f98b41d446379e29c03746380bd9","records":[{"revision":"4868f98b41d446379e29c03746380bd9","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6558","aliases":["CVE-2026-88010","GHSA-8fcf-v89g-xpg6"],"title":"Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle","description":"Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/traefik/traefik from v3.6.11 before v3.7.13.","state":0,"publishedAt":"2026-10-01T20:23:38+00:00","modifiedAt":"2026-10-01T20:45:13.1803055+00:00","affected":[{"ecosystem":"Go","name":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-8fcf-v89g-xpg6","https://nvd.nist.gov/vuln/detail/CVE-2026-88010","https://github.com/traefik/traefik/commit/ddc1bf4660b85fd61fafdd821eb8216fb1a0b130","https://github.com/traefik/traefik/pull/13816","https://github.com/traefik/traefik/releases/tag/v3.7.13"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6558","license":"OSV · upstream source license applies","key":"osv:GO-2026-6558","identifiers":["GO-2026-6558","CVE-2026-88010","GHSA-8fcf-v89g-xpg6"]},"retained":false,"historicalAffected":[]}],"coverage":[]}