Improper access control in Joomla! - CVE-2026-35223
Published: July 8, 2026
Vulnerability identifier: #VU137122
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-35223
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to access restricted webservice endpoints.
The vulnerability exists due to improper access control in com_config webservice endpoints when handling webservice requests. A remote attacker can send a specially crafted request to access restricted webservice endpoints.
Affected software
Joomla!
How to mitigate CVE-2026-35223
Install security update from vendor's website.
Joomla! - addressed in versions 5.4.6, 6.1.1