Missing Authorization in Joomla! - CVE-2026-90916
Published: September 30, 2026
Vulnerability identifier: #VU152888
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90916
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose inaccessible content.
The vulnerability exists due to improper authorization in the content history comparison view when comparing content history. A remote user can access the comparison view to disclose inaccessible content.
Affected software
Joomla!
How to mitigate CVE-2026-90916
Install security update from vendor's website.
Joomla! - addressed in versions 5.4.9, 6.1.4