CVE-2026-111642
8.8 HIGHpublic exploit availablePublished 2026-10-16 · Updated 2026-10-16
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
FastapiAdmin through 3.0 contains a hard-coded JWT signing secret in backend/app/config/setting.py that allows low-privileged users to forge tokens impersonating the superuser. Attackers can register via the unauthenticated /api/v1/system/user/register endpoint, log in, and forge an HS256 token keeping their session_id but naming the superuser in user_name to gain superuser privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-321
Public exploit & PoC references
All references
- https://github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/config/setting.py#L67
- https://github.com/fastapiadmin/FastapiAdmin/blob/v3.0/backend/app/core/dependencies.py#L72-L112
- https://hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secret
- https://www.vulncheck.com/advisories/fastapiadmin-through-3.0-hard-coded-jwt-secret-privilege-escalation
- https://hackmd.io/@hieuPenguinnn/fastapiadmin-unauthenticated-autologin-and-hardcoded-jwt-secret
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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