CVE-2026-31837

HIGH

7.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/10/2026

Ultima modificacao3/18/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

istio:istio

Fraquezas (CWE)

CWE-200

Referencias

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

Correlacoes IOC

Sem correlacoes registradas

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