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CVE-2026-43002

MEDIUM

5.3

Description

An 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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/5/2026

Last Modified5/6/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-696

References

https://bugs.launchpad.net/horizon/+bug/2150331(cve@mitre.org)

https://security.openstack.org/ossa/OSSA-2026-009.html(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/05/05/7(cve@mitre.org)

https://bugs.launchpad.net/horizon/+bug/2150331(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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