{"id":"CVE-2026-111641","summary":"FastapiAdmin through 3.0 Authentication Bypass via Auto-Login Endpoints","details":"FastapiAdmin through 3.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain sessions for any user by abusing unprotected auto-login endpoints. Attackers can list users via /api/v1/auth/auto-login/users, mint a superuser auto-login token, and exchange it for a JWT session to gain full administrative control.","modified":"2026-10-17T10:30:15.316429586Z","published":"2026-10-16T17:39:11.674Z","database_specific":{"cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111641.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111641.json"},{"type":"PACKAGE","url":"https://github.com/fastapiadmin/FastapiAdmin"},{"type":"ARTICLE","url":"https://github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/api/v1/module_system/auth/controller.py#L173-L251"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secret"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111641"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/fastapiadmin-through-3.0-authentication-bypass-via-auto-login-endpoints"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/fastapiadmin/fastapiadmin","events":[{"introduced":"0"},{"last_affected":"362f005924700157b390b1224142b3cfa276f426"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"3.0"}]}}],"versions":["v3.0","V2.0","V1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111641.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}