CVE-2026-2979 FastApiAdmin Scheduled Task API controller.py user_avatar_upload_controller unrestricted upload

Medium 5.3 Published Updated

Remote attackers can upload arbitrary files via the user avatar endpoint, potentially leading to code execution on the FastApiAdmin server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2979?

CVE-2026-2979 is a medium-severity vulnerability in FastApiAdmin, published on 23 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in FastApiAdmin up to 2.2.0. This issue affects the function user_avatar_upload_controller of the file /backend/app/api/v1/module_system/user/controller.py of the component Scheduled Task API. Executing a manipulation can lead to unrestricted upload. The attack can be launched remotely. The exploit has been published and may be used.

Weakness: CWE-434, CWE-284

Which versions are affected by CVE-2026-2979?

It affects 1 product.

Products include Fastapiadmin Fastapiadmin.

How do I fix CVE-2026-2979?

No fix has been published for CVE-2026-2979 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-2979 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2979 exists.

Sources

Also known as GHSA-m879-6gvr-239v.

Is CVE-2026-2979 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free