# CVE-2026-7593: Sunwood-ai-labs command-executor-mcp-server MCP index.ts execute_command os command injection

> Remote attackers can execute arbitrary OS commands via the execute_command function in the Sunwood-ai-labs MCP server.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 May 2026
- **Updated:** 4 May 2026
- **Also known as:** GHSA-xrq4-556f-vxwr

## What is CVE-2026-7593?

CVE-2026-7593 is a medium-severity command injection vulnerability in Sunwood-ai-labs command-executor-mcp-server, published on 1 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security vulnerability has been detected in Sunwood-ai-labs command-executor-mcp-server up to 0.1.0. This impacts the function execute_command of the file src/index.ts of the component MCP Interface. The manipulation leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2026-7593?


## How do I fix CVE-2026-7593?

No fix has been published for CVE-2026-7593 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7593 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7593 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7593 and fix it if it is affected.

What it is: CVE-2026-7593 is a medium-severity command injection vulnerability in Sunwood-ai-labs command-executor-mcp-server, published on 1 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7593 exists.

Affected product: Sunwood-ai-labs command-executor-mcp-server. 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-2026-7593/ (Markdown: https://insights.sbomify.com/CVE-2026-7593/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7593
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7593
- OSV: https://osv.dev/vulnerability/CVE-2026-7593

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-7593/
Summaries are generated and may contain mistakes; the official description above is the record.