mcp-runcommand-server2

GHSA-2cvc-xrh7-32gg

Malicious code in mcp-runcommand-server2 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.6`

## Source: kam193 (36fb61d44529c380f204d5a210017989695ef39df6adfce7ccfb08e48a17b594)
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-server2/MAL-2025-191648.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/mcp-runcommand-server2
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcp-runcommand-server2/MAL-2025-191648.json
- https://research.jfrog.com/post/3-malicious-mcps-pypi-reverse-shell
- https://github.com/advisories/GHSA-2cvc-xrh7-32gg

Compromised versions (1)

= 1.0.6

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