CVE-2024-10935 Unauthenticated DoS via Multipart Boundary in automatic1111/stable-diffusion-webui

High 7.5 Published 20 Mar 2025 Updated 15 Oct 2025

Unauthenticated attackers can cause a complete denial of service by sending malformed multipart requests with excessive boundary characters.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-10935?

CVE-2024-10935 is a high-severity denial of service vulnerability in automatic1111/stable-diffusion-webui, published on 20 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

automatic1111/stable-diffusion-webui version 1.10.0 contains a vulnerability where the server fails to handle excessive characters appended to the end of multipart boundaries. This flaw can be exploited by sending malformed multipart requests with arbitrary characters at the end of the boundary, leading to excessive resource consumption and a complete denial of service (DoS) for all users. The vulnerability is unauthenticated, meaning no user login or interaction is required for an attacker to exploit this issue.

Weakness: CWE-770

Which versions are affected by CVE-2024-10935?

It affects 1 product.

Products include Automatic1111 Stable-Diffusion-Webui.

How do I fix CVE-2024-10935?

No fix has been published for CVE-2024-10935 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-2024-10935 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-10935 exists.

Sources

Also known as GHSA-x9hf-jr2h-w47p.