An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 5, 2026 · NIST NVD

   Detected

   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.

2. Sep 10, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe openstack/horizonversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-43002

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-43002

  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.

  nvd.nist.gov

References

• Exploit · bugs.launchpad.net
• Patch · security.openstack.org
• Mailing List · openwall.com