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Contour

v1.33.5Networking & Messaging
2026年5月29日

Contour v1.33.5 is a security patch: it closes a JWT verification bypass that was possible when fallback certificates were combined with JWT-protected HTTPProxy routes.

主な変更 (4)

  • Patches GHSA-g3xr-5w5j-w4q4: HTTPProxy configs combining a fallback certificate with JWT verification could let requests without SNI, or with unrecognized SNI, skip JWT verification
  • Contour now rejects this invalid fallback-certificate-plus-JWT configuration outright instead of silently allowing the bypass
  • Tested against Kubernetes 1.32 through 1.34
  • No other functional changes in this release