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.
Published: 2026-05-05
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-vxvf-xvm3-p8j5 OpenStack Horizon has Incorrect Behavior Order
History

Wed, 06 May 2026 06:30:00 +0000

Type Values Removed Values Added
References

Tue, 05 May 2026 19:15:00 +0000

Type Values Removed Values Added
Title OpenStack Horizon Session Storage Exhaustion Vulnerability

Tue, 05 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 05 May 2026 17:00:00 +0000

Type Values Removed Values Added
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.
First Time appeared Openstack
Openstack horizon
Weaknesses CWE-696
CPEs cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*
Vendors & Products Openstack
Openstack horizon
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Openstack Horizon
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-06T06:05:23.992Z

Reserved: 2026-05-01T00:00:00.000Z

Link: CVE-2026-43002

cve-icon Vulnrichment

Updated: 2026-05-05T17:26:49.397Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-05T17:17:04.920

Modified: 2026-05-07T15:53:49.717

Link: CVE-2026-43002

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-05T19:00:12Z

Weaknesses