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 vulnerability is fixed in 1.29.1, 1.28.5, and 1.27.8.

CVSS

No CVSS.

References

Link	Resource
https://github.com/istio/istio/security/advisories/GHSA-v75c-crr9-733c

Configurations

No configuration.

History

11 Mar 2026, 13:52

Type	Values Removed	Values Added
Summary		(es) Istio es una plataforma abierta para conectar, gestionar y proteger microservicios. Antes de 1.29.1, 1.28.5 y 1.27.8, un usuario de Istio se ve afectado si el resolvedor JWKS deja de estar disponible o la obtención falla, exponiendo valores predeterminados codificados independientemente del uso del recurso RequestAuthentication. Esta vulnerabilidad está corregida en 1.29.1, 1.28.5 y 1.27.8.

10 Mar 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-10 22:16

Updated : 2026-03-11 13:52

NVD link : CVE-2026-31837

Mitre link : CVE-2026-31837

CVE.ORG link : CVE-2026-31837

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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