mcp-runcommand-server

GHSA-22rf-pqm4-vwxw

Malicious code in mcp-runcommand-server (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.7`

## Source: kam193 (17f8adb9e7e30e13f8656300881d4e04975f499c03c2f1dbea2e00fd86c357a5)
Package starts a reverse shell to a hardcoded location


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2025-10-mcp-runcommand-server


Reasons (based on the campaign):


 - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcp-runcommand-server/MAL-2025-191647.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/mcp-runcommand-server
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcp-runcommand-server/MAL-2025-191647.json
- https://research.jfrog.com/post/3-malicious-mcps-pypi-reverse-shell
- https://github.com/advisories/GHSA-22rf-pqm4-vwxw

Compromised versions (1)

= 1.0.7

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.