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.
Vulnerability Analysis
CVE-2026-48904 is exploitable 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-2026-48904 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.