CVE-2026-43002mediumCWE-696

CVE-2026-43002: medium-severity vulnerability in OpenStack Horizon

Published · Updated

Follow this CVE+ Monitor Horizon+ Monitor horizon

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.4%
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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
OpenStack · Horizon
Related CVEs — OpenStack Horizon

In the same product, most dangerous first.

CVE-2026-55748MEDIUMCVE-2026-55748EPSS 0.3%