PT-2026-29501 · Joomla · Joomla! Cms

Published 2026-04-01 · Updated 2026-04-01 · CVE-2026-21629

NVD

CVSS v4.0

6.3

Medium

AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-21629

Affected Products

Joomla! Cms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-21629 · Security Note
• https://developer.joomla.org/security-centre/1027-20260301-core-acl-hardening-in-com-ajax.html · Vendor Advisory