CVE-2026-43002 MEDIUM

CVE-2026-43002

Vendor Openstack
Product Horizon
Weakness CWE-696
Published May 5, 2026
Last update May 6, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 5, 2026 CVE published
May 6, 2026 Record updated