Joomla! Core - Improper ACL Check on Tagged Items in 4.x5.4.8
CVE-2026-90917 Published on September 29, 2026
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
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.
Vulnerability Analysis
CVE-2026-90917 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-90917 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-90917
Want to know whenever a new CVE is published for Joomla? stack.watch will email you.
Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.8 is affected.
- Version 6.0.0-6.1.3 is affected.