CVE-2026-111641
FastapiAdmin through 3.0 Authentication Bypass via Auto-Login Endpoints
fastapiadmin FastapiAdmin
CVSS
9.3CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.43%Chance of exploitation activity in the next 30 days, higher than 36% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
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.
Text from CVE List
Affected versions 1
- FastapiAdminaffected: all versions through 3.0CVE List
References 3
- hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secretAdvisoryvia CVE List
- vulncheck.com/advisories/fastapiadmin-through-3.0-authentication-bypass-via-auto-login-endpointsAdvisoryvia CVE List
- github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/api/v1/module_system/auth/controller.py#L173-L251Referencevia CVE List