Arbitrary file upload in Fastapiadmin

CVE-2026-2976

A weakness has been identified in FastApiAdmin up to 2.2.0. Affected by this issue is the function download_controller of the file /backend/app/api/v1/module_common/file/controller.py of the component Download Endpoint. This manipulation of the argument file_path causes information disclosure. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Information Disclosure

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-2976?
CVE-2026-2976 is a medium-severity vulnerability in Fastapiadmin, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-02-23.
How severe is CVE-2026-2976?
Medium severity. CVSS v3 base score is 4.3 out of 10.