GO-2026-6558
Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle
Details
Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/traefik/traefik from v3.6.11 before v3.7.13.
Are you affected?
Enter the version of the package you're using.
Affected packages
0No fixed version published yet for github.com/traefik/traefik (go modules). Pin to a known-safe version or switch to an alternative.
References
- https://github.com/traefik/traefik/security/advisories/GHSA-8fcf-v89g-xpg6[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2026-88010[ADVISORY]
- https://github.com/traefik/traefik/commit/ddc1bf4660b85fd61fafdd821eb8216fb1a0b130[WEB]
- https://github.com/traefik/traefik/pull/13816[WEB]
- https://github.com/traefik/traefik/releases/tag/v3.7.13[WEB]