CVE-2024-12074 Denial of Service in automatic1111/stable-diffusion-webui

Medium 6.5 Published 20 Mar 2025 Updated 20 Mar 2025

Unauthenticated attackers can cause denial of service by sending file upload requests with excessively large filenames, overwhelming the 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-2024-12074?

CVE-2024-12074 is a medium-severity denial of service vulnerability in automatic1111/stable-diffusion-webui, published on 20 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Denial of Service (DoS) vulnerability was discovered in the file upload feature of automatic1111/stable-diffusion-webui version 1.10.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. By sending a payload with an excessively large filename, the server becomes overwhelmed and unresponsive, leading to unavailability for legitimate users. This issue can be exploited without authentication, making it highly scalable and increasing the risk of exploitation.

Weakness: CWE-400

Which versions are affected by CVE-2024-12074?

It affects 1 product.

Products include Automatic1111 Stable-Diffusion-Webui.

How do I fix CVE-2024-12074?

No fix has been published for CVE-2024-12074 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-12074 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-12074 exists.

Sources

Also known as GHSA-r49j-4jpw-x35c.