Vulnerability Description
phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in the user/add API endpoint that allows non-SuperAdmin administrators to create SuperAdmin accounts. A delegated administrator with USER_ADD/EDIT/DELETE permissions can call POST /admin/api/user/add with isSuperAdmin: true and attacker-chosen credentials to create a SuperAdmin account, then authenticate as that account to achieve full instance takeover.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-r2f4-v277-hvw9
- https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-s
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-r2f4-v277-hvw9
FAQ
What is CVE-2026-57996?
CVE-2026-57996 is a vulnerability with a CVSS score of 8.8 (HIGH). phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in the user/add API endpoint that allows non-SuperAdmin administrators to create SuperAdmin accounts. A delegated administrator with...
How severe is CVE-2026-57996?
CVE-2026-57996 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57996?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.