CVE-2026-72531
Medium
Description
Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to create fields for inaccessible components.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Joomla\!
PublishedAug 18, 2026
First seenAug 18, 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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