CVE-2026-111898
High · CVSS 7.7Published 2026-10-17
CVSS
7.7
High
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-111898?
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authentication bypass vulnerability that allows Keycloak users to take over local accounts by matching preferred_username or email. Attackers controlling a Keycloak identity with a colliding username or unverified email can log in through /auth/keycloak/authorize to bind their subject and gain superadmin privileges.
CVSS Score Explained
CVSS 7.7 is High severity. Exploitation is likely straightforward and the impact is significant — data loss, privilege escalation, or remote code execution are common outcomes. Patch as soon as possible.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-rg4w-2j3r-2hhp
- ›https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-account-takeover-via-keycloak-implicit-account-linking
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