CVE-2026-66139

State: Published
Severity: 4.8 Medium
Published: Jul 24, 2026
Updated: Jul 24, 2026
Reserved: Jul 24, 2026

Description

OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L	mitre

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
ZaqarOpenStack	12.0.0 to before 20.1.1Affected 21.0.0Affected 22.0.0Affected

References

https://www.openwall.com/lists/oss-security/2026/07/23/7
https://bugs.launchpad.net/ossa/+bug/2161254
http://www.openwall.com/lists/oss-security/2026/07/24/27

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.