CVE Watch26 oct 2026

CVE-2026-40214

In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column

CVSS

6.3

Medio

EPSS

0.2%

p11

KEV

—

Exploit Today

0-100

Publicado: 7 may 2026 · Última mod.: 26 oct 2026 · CWE-282

EPSS · 30d

0.2%EPSS · 30 días0.3%

2026-10-142026-11-11

Descripción técnica

In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column in the database is never populated (NULL for every ARQ), database queries have no project filtering, and policy checks are self-referential (the authorize_wsgi decorator compares the caller's project_id with itself rather than the target resource). Any authenticated non-admin user can complete various actions such as deleting ARQs bound to other projects' instances, aka cross-tenant denial of service.

Referencias oficiales

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