CVE-2026-31837

A flaw was found in Istio. A user of Istio could be impacted if the JSON Web Key Set JWKS resolver becomes unavailable or fails to fetch keys. This vulnerability can lead to the exposure of hardcoded default settings, potentially bypassing authentication mechanisms and allowing unauthorized acces...

CVE-2026-31837

Istio is an open platform to connect, manage, and secure microservices. Prior to 1.29.1, 1.28.5, and 1.27.8, a user of Istio is impacted if the JWKS resolver becomes unavailable or the fetch fails, exposing hardcoded defaults regardless of use of the RequestAuthentication resource. This...