CVE-2026-43002CWE-696

CVE-2026-43002

Medium · published May 5, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
47.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00597 · 47.9th percentile
Weakness
CWE-696 · Incorrect Behavior Order
Published
2026-05-05T21:17Z
Affected products (1)
ProductVersionsFixed in
openstack/horizon≥ 25.6.0, < 25.7.325.7.3
References (4)
https://bugs.launchpad.net/horizon/+bug/2150331 · [email protected]https://security.openstack.org/ossa/OSSA-2026-009.html · [email protected]https://www.openwall.com/lists/oss-security/2026/05/05/7 · [email protected]https://bugs.launchpad.net/horizon/+bug/2150331 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 05 MAY 00:00Z
    An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3
    cvelistv5