CVE-2026-21629 MEDIUM

CVE-2026-21629: Joomla! Core - [20260301] - ACL hardening in com_ajax

Vendor Joomla! Project
Product Joomla! CMS
Weakness CWE-284
Published April 1, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

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.

Key dates

Disclosure timeline

April 1, 2026 CVE published
April 1, 2026 Record updated