Improper privilege management in phpMyFAQ - CVE-2026-57995
Published: July 14, 2026
Vulnerability identifier: #VU137461
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-57995
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Thorsten Rinne
Affected software:
phpMyFAQ
phpMyFAQ
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper privilege management in GroupController::updatePermissions when handling permission-update requests. A remote user can submit a crafted POST request that grants a group rights they do not hold to escalate privileges.
Exploitation requires the delegated GROUP_EDIT permission and the attacker must be a member of the targeted group, or otherwise able to place themselves into that group.
How to mitigate CVE-2026-57995
Install security update from vendor's website.