Improper access control in Joomla! - CVE-2026-72531
Published: August 18, 2026
Vulnerability identifier: #VU144199
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72531
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to create fields for inaccessible components.
The vulnerability exists due to improper access control in custom fields webservice endpoints when handling requests to create fields. A remote user can send a specially crafted request to create fields for inaccessible components.
Affected software
Joomla!
How to mitigate CVE-2026-72531
Install security update from vendor's website.
Joomla! - addressed in versions 5.4.8, 6.1.3