CVE-2026-31837

HIGH

7.5

Description

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/10/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

istio:istio

Faiblesses (CWE)

CWE-200

References

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

Correlations IOC

Aucune correlation enregistree

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