phpMyFAQ before 4.1.7 Authentication Bypass via Setup API
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
phpMyFAQ before 4.1.7 contains an authentication bypass vulnerability in SetupController that allows unauthenticated attackers to run database migrations and create configuration backups when maintenance mode is enabled. Attackers can call POST /api/setup/update-database and POST /api/setup/backup endpoints to execute database updates, disable maintenance mode, and extract database credentials from generated ZIP archives.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA phpMyFAQ (thorsten) Fixed in 4.1.7
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
thorsten phpMyFAQ 4.1.7
10 records Highest priority Priority HIGH 6 HIGH, 2 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2026-53318 phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped ThrottlePriority HIGH 74
- TI-2026-53146 phpMyFAQ before 4.1.7 Authentication Bypass via Tracking FilePriority HIGH 73
- TI-2026-53310 phpMyFAQ before 4.1.7 SQL Injection via GlossaryPriority HIGH 72
Timeline
- 2026-10-02 Threatist record created from CVE-2026-75919
- 2026-10-03 Alias added: GHSA-gjx5-c2mr-w8c7
References
More thorsten Phpmyfaq vulnerabilities
- TI-2023-00296 Improper Authentication in thorsten/phpmyfaq CVSS 3.1CRITICAL 9.8
- TI-2026-53313 phpMyFAQ 3.1.0 through 4.1.6 Authentication Bypass via LDAP CVSS 4.0HIGH 8.8
- TI-2025-37331 phpMyFAQ duplicate email registration allows multiple accounts with the same email CVSS 3.1CRITICAL 9.8
- TI-2024-36257 phpMyFAQ Generates an Error Message Containing Sensitive Information if database server is not available CVSS 3.1HIGH 8.6
- TI-2023-03720 Improper Neutralization of Formula Elements in a CSV File in thorsten/phpmyfaq CVSS 3.1CRITICAL 9.8
- TI-2023-00749 Command Injection in thorsten/phpmyfaq CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-75919 · CVE Program
- CVE-2026-75919 · NVD
- FIRST EPSS
- GHSA-gjx5-c2mr-w8c7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences