Istio JWKS resolver to prevent private key material from being exposed when JWKS fetch fails.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.7epss 0.4%
probabilidad de explotación
0.4%top 69% de las CVE
explotación observada
noninguna fuente lo reporta
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 vulnerability is fixed in 1.29.1, 1.28.5, and 1.27.8.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Productos afectados
istio · istioReferencias
https://access.redhat.com/errata/RHSA-2026:10184https://access.redhat.com/errata/RHSA-2026:5948https://access.redhat.com/errata/RHSA-2026:5950https://access.redhat.com/errata/RHSA-2026:5952https://access.redhat.com/security/cve/CVE-2026-31837https://bugzilla.redhat.com/show_bug.cgi?id=2446344https://github.com/istio/istio/security/advisories/GHSA-v75c-crr9-733chttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31837.json