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Vulnerability IntelligenceCVE-2026-66139

CVE-2026-66139

MEDIUM4.8

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

Published Jul 24, 2026

Modified 1 months ago

Details

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

References

http://www.openwall.com/lists/oss-security/2026/07/24/27

https://bugs.launchpad.net/ossa/+bug/2161254

https://www.cve.org/CVERecord?id=CVE-2026-66139

https://www.openwall.com/lists/oss-security/2026/07/23/7

CVSS Analysis

CVSS v3.1

4.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

LowA:L

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

Weakness Type (CWE)

Authentication

Missing Authentication

Ecosystems

Timeline

PublishedJul 24, 2026

ModifiedJul 24, 2026

CVE-2026-66139 | Mondoo Vulnerability Intelligence