CVE-2026-40213

Name: CVE-2026-40213
Creator: NVD / NIST
Published: 2026-05-07T22:16:34.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.21%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@') as the default policy for multiple API endpoints. This unconditionally authorizes any request carrying a valid Keystone token regardless of roles, project membership, or scope. An authenticated user with zero role assignments can complete various actions such as reprogramming FPGA bitstreams on arbitrary compute nodes via agent RPC.

Metrics

CVSS 3.1

7.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS Probability

0.21%

10.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

References

https://bugs.launchpad.net/openstack-cyborg/+bug/2143263
https://security.openstack.org/ossa/OSSA-2026-011.html
https://www.openwall.com/lists/oss-security/2026/05/07/6

Timeline

Published: May 7, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST