CVE-2026-31837

HIGH

7.5

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.17.5

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/10/2026

Ultima modificacion3/18/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

istio:istio

Debilidades (CWE)

CWE-200

Referencias

https://github.com/istio/istio/security/advisories/GHSA-v75c-crr9-733c(security-advisories@github.com)

Correlaciones IOC

Sin correlaciones registradas

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