VulnerabilityDeferred
CVE-2026-66139
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
MEDIUM 4.8EPSS 0.33%
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
Description
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Source
- cve@mitre.org
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.