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6.3 Medium

CVE-2026-40214 In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer

Description

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.

Affected products and versions

Product Affected versions Fixed in
Cyborg 16.0 16.0.0 → < 16.0.1 16.0.1
Cyborg 15.0 15.0.0 → < 15.0.1 15.0.1
Cyborg 3.0 3.0.0 → < 14.0.1 14.0.1

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cyborg

The 2 CVEs of Cyborg →
CVE-2026-40213 OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@') as the default policy for multiple API endpoints 7.4 High
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