PT-2026-64233 · Openstack · Zaqar

CVE-2026-66139 · Published 2026-07-24 · Updated 2026-07-24

Mitre

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

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

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-66139

Affected Products

Zaqar

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-66139 · Security Note
• https://openwall.com/lists/oss-security/2026/07/23/7 · Note
• https://bugs.launchpad.net/ossa/+bug/2161254 · Note