CVE-2026-43002

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Summary

CVECVE-2026-43002
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-05 17:17:04 UTC
Updated2026-05-06 07:16:01 UTC
DescriptionAn issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-696 | CWE-696 CWE-696 Incorrect Behavior Order

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OpenStack Horizon affected 25.6.0 25.7.3 semver Not specified

References

ReferenceSourceLinkTags
security.openstack.org/ossa/OSSA-2026-009.html [email protected] security.openstack.org
www.openwall.com/lists/oss-security/2026/05/05/7 [email protected] www.openwall.com
bugs.launchpad.net/horizon/+bug/2150331 134c704f-9b21-4f2e-91b3-4a467353bcc0 bugs.launchpad.net
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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