CVE-2026-90915
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Joomla\!
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- joomla joomla\!5.4.8, 6.1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joomla joomla\! | 4.0.0 ≤ v < 5.4.8, 6.0.0 ≤ v < 6.1.3 | 5.4.8, 6.1.3 |
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