Vulnerability · Published May 26, 2026 · Assigned by Joomla
CVE-2026-48904Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints
High 8.2
In plain English
A high-severity improper access control in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities).
Severity (CVSS 4.0)8.2High
Exploit odds (30 days)4.6%top 8.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 4.0.0-5.4.56.0.0-6.1.0 |
Weakness: CWE-284 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N