---
id: CVE-2026-111641
title: FastapiAdmin through 3.0 Authentication Bypass via Auto-Login Endpoints
summary: >-
  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-lo…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-306
vendor: fastapiadmin
product: FastapiAdmin
affected:
  - FastapiAdmin <= 3.0
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-16T20:53:27.012767Z'
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T21:18:51.468Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111641'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secret
  - url: >-
      https://github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/api/v1/module_system/auth/controller.py#L173-L251
  - url: >-
      https://www.vulncheck.com/advisories/fastapiadmin-through-3.0-authentication-bypass-via-auto-login-endpoints
    label: >-
      VulnCheck Advisory: FastapiAdmin through 3.0 Authentication Bypass via
      Auto-Login Endpoints
tags:
  - cve.org
ingestedAt: '2026-10-16T18:43:08.681Z'
---

## Overview

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.

## Affected

- `FastapiAdmin <= 3.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.