CVE-2026-66139
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
| CWE | CWE-306 |
| Vendor | openstack |
| Product | zaqar |
| Published | Jul 24, 2026 |
Stay Ahead of the Next One
Get instant alerts for openstack zaqar
Be the first to know when new medium vulnerabilities affecting openstack zaqar are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Affected Versions
OpenStack / Zaqar
12.0.0 < 20.1.1 21.0.0 22.0.0