[ CVE-2026-90915 · Published 29 Sep 2026 ]

Vulnerability in Joomla! Project Joomla! CMS

CVSS 6.5 EPSS <1%1 agency advisoryFix available

[ Description ]Official description

Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 -An improper validation of the cache group name allowed path traverals in the file storage of the caching layer, resulting in arbitrary directory deletions.

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories