# CVE-2024-12952: melMass comfy_mtb Dependency endpoint.py run_command code injection

> Remote attackers can execute arbitrary code via the run_command function in the comfy_mtb library, requiring a patch to mitigate.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **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:** 26 Dec 2024
- **Updated:** 26 Dec 2024
- **Also known as:** GHSA-5x6r-g83f-xfgw

## What is CVE-2024-12952?

CVE-2024-12952 is a medium-severity code injection vulnerability in melMass comfy_mtb, published on 26 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical was found in melMass comfy_mtb up to 0.1.4. Affected by this vulnerability is the function run_command of the file comfy_mtb/endpoint.py of the component Dependency Handler. The manipulation leads to code injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The patch is named d6e004cce2c32f8e48b868e66b89f82da4887dc3. It is recommended to apply a patch to fix this issue.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2024-12952?


## How do I fix CVE-2024-12952?

No fix has been published for CVE-2024-12952 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-12952 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-12952 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12952 and fix it if it is affected.

What it is: CVE-2024-12952 is a medium-severity code injection vulnerability in melMass comfy_mtb, published on 26 Dec 2024. 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-2024-12952 exists.

Affected product: melMass comfy_mtb. 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-2024-12952/ (Markdown: https://insights.sbomify.com/CVE-2024-12952/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12952
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12952
- OSV: https://osv.dev/vulnerability/CVE-2024-12952

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-12952/
Summaries are generated and may contain mistakes; the official description above is the record.