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.