CVE-2026-75919 phpMyFAQ before 4.1.7 Authentication Bypass via Setup API
Unauthenticated attackers can bypass authentication in maintenance mode to execute database updates and extract credentials from backups.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75919?
CVE-2026-75919 is a medium-severity authentication bypass vulnerability in Phpmyfaq Phpmyfaq, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-306
Which versions are affected by CVE-2026-75919?
It affects 1 product.
Products include Phpmyfaq Phpmyfaq.
How do I fix CVE-2026-75919?
No fix has been published for CVE-2026-75919 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-75919 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75919 exists.
Other vulnerabilities in Phpmyfaq Phpmyfaq
- CVE-2023-0310 Cross-site Scripting (XSS) - Stored in thorsten/phpmyfaq
- CVE-2022-4407 Cross-site Scripting (XSS) - Reflected in thorsten/phpmyfaq
- CVE-2017-11187 Security feature bypass in n/a
- CVE-2026-76213 phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle
- CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge
Sources
Also known as GHSA-f96w-7fx2-79c8, GHSA-gjx5-c2mr-w8c7.