CVE-2026-48904 Details
Description
An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
A privilege escalation vulnerability has been identified in Joomla! CMS versions 4.0.0 prior to 5.4.5 and 6.0.0 prior to 6.1.0. The issue arises from an improper access check in the com_users group editing webservice endpoint, allowing unauthorized users to gain elevated privileges.
Users can upgrade to Joomla! CMS versions 5.4.6 or 6.1.1 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://developer.joomla.org/security-centre/1046-20260514-core-privilege-escalation-through-com-users-webservice-endpoints.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-284 | Improper Access Control | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| joomla joomla! | >= 4.0.0, < 5.4.6 >= 6.0.0, < 6.1.1 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 26, 2026 | Initial Analysis | [email protected] |
| May 26, 2026 | New CVE Received | [email protected] |