CVE-2026-21629

HIGH

Joomla! Core - [20260301] - ACL hardening in com_ajax

Title source: cna
STIX 2.1

Description

The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.

Scores

CVSS v3 7.3
EPSS 0.0000
EPSS Percentile 0.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (3)
joomla/joomla\! 3.0.0 - 5.4.4
Joomla! Project/Joomla! CMS 3.0.0-5.4.3
Joomla! Project/Joomla! CMS 6.0.0-6.0.3
Published Apr 01, 2026
Tracked Since Apr 01, 2026