CVE-2026-90916: Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Published Sep 29, 2026
·Updated
Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to view inaccessible contents.
Affected Software
1 affected component
Joomla joomla>=4.0.0<=5.4.8, >=6.0.0<=6.1.3
Event History
Sep 29, 2026
CVE Published
via MITRE·04:36 PM
Data Sourced
via MITRE·04:36 PM
DescriptionWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Which Joomla versions are affected?
The affected versions are Joomla 4.0.0 through 5.4.8 and Joomla 6.0.0 through 6.1.3.
2
What could an unauthorized user access?
An unauthorized user may be able to view content that should be inaccessible through the content history comparison view.