CVE-2026-90915

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	joomla! project
Product	joomla! cms
Published	Sep 29, 2026

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Affected Versions

Joomla! Project / Joomla! CMS

4.0.0-5.4.8 6.0.0-6.1.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Aria Akhavan Calif.io in collaboration with Anthropic