CVE-2026-43002

PoC —

CVSS 3.1

5.3 medium

EPSS

<1%p29

Published

May 5, 2026 (May 5, 2026)

Modified

Sep 10, 2026

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.

Vendors: openstack
Products: horizon
Weakness: CWE-696
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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