Joomla com_users webservice privilege escalation (CVE-2026-48904)
CVE-2026-48904 Published on May 26, 2026
Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints
An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-48904 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-48904
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Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.5 is affected.
- Version 6.0.0-6.1.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.