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

> Unauthenticated attackers can cause denial of service by sending file upload requests with excessively large filenames, overwhelming the server.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2025
- **Updated:** 20 Mar 2025
- **Also known as:** GHSA-r49j-4jpw-x35c

## 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 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2024-12074?

It affects 1 product.


Products: 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.

## Is CVE-2024-12074 being exploited?

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

## Other vulnerabilities in automatic1111/stable-diffusion-webui

- [CVE-2024-11045](https://insights.sbomify.com/CVE-2024-11045/): Cross-Site WebSocket Hijacking (CSWSH) in automatic1111/stable-diffusion-webui (critical 9.6)
- [CVE-2024-10935](https://insights.sbomify.com/CVE-2024-10935/): Unauthenticated DoS via Multipart Boundary in automatic1111/stable-diffusion-webui (high 7.5)
- [CVE-2024-12375](https://insights.sbomify.com/CVE-2024-12375/): Local File Inclusion in automatic1111/stable-diffusion-webui (medium 6.5)
- [CVE-2024-11044](https://insights.sbomify.com/CVE-2024-11044/): Open Redirect in automatic1111/stable-diffusion-webui (medium 6.1)
- [CVE-2024-12374](https://insights.sbomify.com/CVE-2024-12374/): Stored XSS in automatic1111/stable-diffusion-webui (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12074 and fix it if it is affected.

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

Affected product: automatic1111/stable-diffusion-webui. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-12074/ (Markdown: https://insights.sbomify.com/CVE-2024-12074/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12074
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12074
- OSV: https://osv.dev/vulnerability/CVE-2024-12074

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-12074/
Summaries are generated and may contain mistakes; the official description above is the record.