CVE-2026-111893 Details
Description
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains a privilege escalation vulnerability in GroupController::saveCategoryRestrictions() that lets delegated administrators assign categories outside their own scope. Category-restricted administrators can POST to /admin/api/group/category-restrictions with out-of-scope or empty categoryIds to grant groups unrestricted category access.
A privilege escalation vulnerability has been identified in phpMyFAQ versions 4.2.0-alpha prior to 4.2.0-beta. The issue resides in the GroupController's saveCategoryRestrictions() function, where delegated administrators can assign category access beyond their authorized scope. This vulnerability allows category-restricted administrators to POST to the administrative API's group/category-restrictions endpoint with out-of-scope or empty category IDs, effectively granting groups unrestricted access to categories.
Users can upgrade to phpMyFAQ 4.2.0-beta, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 17, 2026CISA-ADP
Assessed Oct 18, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gv7w-78f6-mcmh | CISA-ADP | AdvisoryExploitTechnical AnalysisVendor |
| https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gv7w-78f6-mcmh | [email protected] | AdvisoryExploitTechnical AnalysisVendor |
| https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-privilege-escalation-via-group-category-restrictions-api | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-269 | Improper Privilege Management | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| phpMyFAQ | <= 4.2.0-alpha.2 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 18, 2026 | CVE Modified | CISA-ADP |
| Oct 17, 2026 | New CVE Received | [email protected] |