What’s Vulnerable › Vulnerabilities

CVE-2026-111905: phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta IDOR Leaks TOTP Secret via /admin/api/user/data

• Severity: medium (CVSS 6.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-17 · updated 2026-10-21
• Weakness: CWE-639

Description

phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an insecure direct object reference vulnerability in GET /admin/api/user/data/{userId}, which returns any user's full faquserdata row, including the live TOTP secret, without a SuperAdmin or protected-target check. Delegated administrators with user-management rights can read a SuperAdmin's TOTP secret and generate valid codes to bypass two-factor authentication.

Affected products

• thorsten phpMyFAQ: from 3.2.0 before 4.1.9; from 4.2.0-alpha before 4.2.0-beta — fixed in 4.1.9, 4.2.0-beta

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.1.9, 4.2.0-beta. Check the vendor advisory for mitigations.

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-hp8j-w94m-j5c7
• https://www.vulncheck.com/advisories/phpmyfaq-3.2.0-before-4.1.9-and-4.2.0-alpha-before-4.2.0-beta-idor-leaks-totp-secret-via-admin-api-user-data
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-hp8j-w94m-j5c7

Get alerted when CVE-2026-111905 or the next vulnerability affects your stack