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Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

CVE-2026-71326Published 2 weeks agoUpdated 1 week agoSource: OSV

Affected packages

  • github.com/traefik/traefik/v3

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing | HackTribune