CVE-2026-66139

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CVSS 3.1

4.8 medium

EPSS

<1%p26

Published

Jul 24, 2026 (Jul 24, 2026)

Modified

Jul 30, 2026

Description

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

Weakness: CWE-306
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.3%)

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