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.

Score

CVSS 4.0 7.0 High

Status

Analyzed - security@joomla.org

Published

2026-09-29

Last modified

2026-10-06

Weaknesses

CWE-22

Affected products

• Joomla! (Joomla)
• Joomla Cms (Joomla Project)

References

• https://www.joomla.org/
• https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html