VulnerabilityAnalyzed
CVE-2026-43002
An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3.
MEDIUM 5.3EPSS 0.36%
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.36% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-696
- Affected
- openstack/horizon
- Source
- cve@mitre.org
References
- https://bugs.launchpad.net/horizon/+bug/2150331Exploit, Issue Tracking, Vendor Advisory
- https://security.openstack.org/ossa/OSSA-2026-009.htmlPatch, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/05/05/7Mailing List, Patch, Third Party Advisory
- https://bugs.launchpad.net/horizon/+bug/2150331Exploit, Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.