CVE Watch21 oct 2026

CVE-2026-93856

In OpenStack Cinder through 29.0.0, cross-project information disclosure can occur in the Messages API. A non-admin user with the project-sc

CVSS

4.3

Medio

EPSS

—

KEV

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Exploit Today

0-100

Publicado: 21 oct 2026 · Última mod.: 21 oct 2026 · CWE-669

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

In OpenStack Cinder through 29.0.0, cross-project information disclosure can occur in the Messages API. A non-admin user with the project-scoped 'member' or 'reader' role making the Block Storage API v3.3 "List messages" call finds the non-expired user messages for other projects included in the response, resulting in the leakage of UUIDs of resources owned by other projects, in addition to the user message about the other projects' resources (which, by design, are sanitized generic messages). All Cinder deployments are affected.

Referencias oficiales

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