Joomla! Core < 5.4.7 - Inconsistent ACL Checks on Webservice Mutation Endpoints
CVE-2026-71574 Published on August 18, 2026
Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2
Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI.
Vulnerability Analysis
CVE-2026-71574 is exploitable with network access, and requires user privileges. 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-2026-71574 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-71574
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Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.6 is affected.
- Version 6.0.0-6.1.2 is affected.