{"id":"CVE-2026-56396","aliases":["GHSA-985r-q3qp-299h"],"url":"https://o3.security/vulnerability/CVE-2026-56396","summary":"phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()","details":"phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.","published":"2026-06-21T13:27:03.833Z","modified":"2026-08-12T03:51:20.475130735Z","cvss":null,"epss":{"score":0.00442,"percentile":0.37124,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"thorsten/phpmyfaq","fixedVersion":"4.1.4"},{"ecosystem":"Packagist","name":"phpmyfaq/phpmyfaq","fixedVersion":"4.1.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56396.json"},{"type":"ADVISORY","url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56396"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:20.475130735Z"}}