Missing Authorization Flaw in phpMyFAQ Affects Group Deletion Permissions
CVE-2026-111885

7HIGH

Key Information:

Vendor

Thorsten

Status
pHPMyFAQ
Vendor
CVE Published:
17 October 2026

What is CVE-2026-111885?

A missing authorization vulnerability exists in the GroupController::deleteGroup() method of phpMyFAQ versions prior to 4.2.0-beta. This flaw allows authenticated non-SuperAdmin administrators with GROUP_DELETE privileges to execute a crafted groupId. As a result, they can permanently delete higher-privileged groups and remove inherited rights for group members, enabling potential misuse of administrative capabilities without appropriate checks.

Affected Version(s)

phpMyFAQ 4.2.0-alpha < 4.2.0-beta

phpMyFAQ 4.2.0-beta

References

https://github.com/thorsten/phpMyFAQ/security/advisories/...
vendor-advisory
https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha...
third-party-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

manus-pi
manus-use
.