mcp-runcmd-server

GHSA-fqxv-p3pf-c494

Malicious code in mcp-runcmd-server (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 2.0`

## Source: kam193 (2e5608c421ba44a3a2e20b924bd3399d6452dba66e7aea10a0fcdc8044f5a996)
Package starts a reverse shell to a hardcoded location


---

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.

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcp-runcmd-server/MAL-2025-191788.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/mcp-runcmd-server
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcp-runcmd-server/MAL-2025-191788.json
- https://github.com/advisories/GHSA-fqxv-p3pf-c494

Compromised versions (1)

= 2.0

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