[20260808] - Core - Improper ACL checks for batch copy actions

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-5.4.7,6.0.0-6.1.2
Exploit type: Incorrect Access Control
Reported Date: 2026-07-28
Fixed Date: 2026-08-18
CVE Number: CVE-2026-73371

Description

An improper access check allows unauthorized users to perform copy batch operations on uneditable items.

Affected Installs

Joomla! CMS versions 4.0.0-5.4.7, 6.0.0-6.1.2

Solution

Upgrade to version 5.4.8, 6.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sabuhi Mammadov