CVE-2026-111641
CVE-2026-111641 · FastapiAdmin through 3.0 Authentication Bypass via Auto-Login Endpoints
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.3 · Critical · EPSS 0.4%
- Published
- Updated
Affected products and versions
fastapiadmin
- Versions
- ≥ 0, ≤ 3.0: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secret
- https://github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/api/v1/module_system/auth/controller.py#L173-L251
- https://www.vulncheck.com/advisories/fastapiadmin-through-3.0-authentication-bypass-via-auto-login-endpoints
- https://nvd.nist.gov/vuln/detail/CVE-2026-111641