CVE-2026-111895 phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta Account Takeover via Entra ID preferred_username
Attackers with a matching Entra ID username can take over local phpMyFAQ accounts, including super-admins, due to flawed identity linking logic.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111895?
CVE-2026-111895 is a high-severity authentication bypass vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta contains an authentication bypass in its Microsoft Entra ID login flow, which links users by the mutable preferred_username claim and whose AuthEntraId::create() ignores the duplicate-login exception while continuing with the existing local account. Attackers controlling an Entra identity in the configured tenant with a matching preferred_username can take over that local account, including super-admin accounts.
Weakness: CWE-287
Which versions are affected by CVE-2026-111895?
How do I fix CVE-2026-111895?
No fix has been published for CVE-2026-111895 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-2026-111895 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111895 exists.
Sources
Also known as GHSA-6hhv-gc4g-f4r7, GHSA-r5w3-grm8-fh38.