VULNERABILITY INTELLIGENCE

CVE-2026-66139

CVSS score4.8 MEDIUM

EPSS probability0.48%

CISA KEVNot currently listed

Published2026-07-24

Last modified2026-10-24

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

Description

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