CVE-2026-43002

MEDIUM EPSS 28.4%

Published May 5, 20261mo ago · Modified Jun 17, 20261w ago

5.3 CVSS 3.1

Medium

Published May 5, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

5.3

Exploitability

3.9

Impact

1.4

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability Low

Threat Intelligence

EPSS Exploit Probability

28.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-696

References 3

bugs.launchpad.net https://bugs.launchpad.net/horizon/+bug/2150331
security.openstack.org https://security.openstack.org/ossa/OSSA-2026-009.html
openwall.com https://www.openwall.com/lists/oss-security/2026/05/05/7

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.