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Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts

Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts

CVE-2026-53622Published 2 months agoUpdated 2 weeks agoSource: OSV

Affected packages

  • Traefik
  • github.com/traefik/traefik
  • github.com/traefik/traefik/v2

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: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts | HackTribune