CVE-2026-90915

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.

  • Published Sep 29, 2026
  • CVSS 7.0 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90915 at the National Vulnerability Database