PT-2026-29501 · Joomla+1 · Joomla! Cms+1

Jsst · Published 2026-04-01 · Updated 2026-04-10 · CVE-2026-21629

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions The product name cannot be determined. (affected versions not specified)

Description The ajax component was excluded from the default logged-in-user check in the administrative area, which may have been unexpected by third-party developers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BIT-JOOMLA-2026-21629

CVE-2026-21629

Affected Products

Joomla! Cms

Joomla!

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-21629 · Security Note
• https://osv.dev/vulnerability/BIT-joomla-2026-21629 · Vendor Advisory
• https://developer.joomla.org/security-centre/1027-20260301-core-acl-hardening-in-com-ajax.html · Vendor Advisory
• https://twitter.com/CVEnew/status/2039279622526050414 · Twitter Post