CVE-2026-48904

CRITICAL

Joomla! Core - [20260514] - Privilege escalation through com_users webservice endpoints

Title source: cna
STIX 2.1

Description

An improper access check allows privelege escalation through the com_users group editing webservice endpoint.

Scores

CVSS v3 9.8
EPSS 0.0029
EPSS Percentile 20.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-284
Status published
Products (3)
joomla/joomla\! 4.0.0 - 5.4.6
Joomla! Project/Joomla! CMS 4.0.0-5.4.5
Joomla! Project/Joomla! CMS 6.0.0-6.1.0
Published May 26, 2026
Tracked Since May 26, 2026