CVE-2026-90917
Medium
Description
Joomla! Core - [20260907] - Core - Improper ACL checks in outputs for tagged items in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to view content items from inaccessible categories.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Joomla\!
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-284Improper access control
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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