CVE-2026-66139

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

CVE-2026-66139 is fixed in zaqar on 1 platform by DEBIAN-CVE-2026-66139 (version 22.0.0-3), released August 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.8
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0048
41st percentile

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

Where it's fixed

ProductFixed inFixReleased
Linux
zaqar · Debian 14 22.0.0-3 DEBIAN-CVE-2026-66139 Aug 1, 2026

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