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CVE-2026-66139 Details

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

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URL	Source(s)	Tag(s)
http://www.openwall.com/lists/oss-security/2026/07/24/27	CVE
https://bugs.launchpad.net/ossa/+bug/2161254	[email protected]	ExploitIssue TrackingRemedyTechnical DescriptionVendor
https://www.openwall.com/lists/oss-security/2026/07/23/7	[email protected]	Mailing ListRemedy

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Product	Versions
OpenStack Zaqar	>= 12.0.0, < 20.1.1 (semver) = 21.0.0 (semver) = 22.0.0 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 20.1.1moderate effort Upgrade: 21.0.1moderate effort Upgrade: 22.0.1moderate effort Patch: (2026.2/hibiscus)moderate efforthttps://review.opendev.org/998272 Patch: (2026.1/gazpacho)moderate efforthttps://review.opendev.org/998400 Patch: (2025.2/flamingo)moderate efforthttps://review.opendev.org/998410 Patch: (2025.1/epoxy)moderate efforthttps://review.opendev.org/998411

Product

Versions

OpenStack Zaqar

>= 12.0.0, < 20.1.1 (semver)

= 21.0.0 (semver)

= 22.0.0 (semver)

3 change records found show changes

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