mal-2025-191648
Vulnerability from ossf_malicious_packages
Published
2025-10-10 10:05
Modified
2025-12-03 00:04
Summary
Malicious code in mcp-runcommand-server2 (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (36fb61d44529c380f204d5a210017989695ef39df6adfce7ccfb08e48a17b594)
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.
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "mcp-runcommand-server2",
"purl": "pkg:pypi/mcp-runcommand-server2"
},
"versions": [
"1.0.6"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"iocs": {
"ips": [
"45.115.38.27"
]
},
"malicious-packages-origins": [
{
"id": "RLMA-2025-05620",
"import_time": "2025-12-02T09:09:38.48818986Z",
"modified_time": "2025-12-01T12:54:40Z",
"sha256": "27ac8c6aa1983e37941dd0e54bf06040a0b3274c459e304bc9bb09a22127d3b5",
"source": "reversing-labs",
"versions": [
"1.0.6"
]
},
{
"id": "pypi/2025-10-mcp-runcommand-server/mcp-runcommand-server2",
"import_time": "2025-12-02T22:30:55.329142505Z",
"modified_time": "2025-10-10T10:05:56.622459Z",
"sha256": "384331780fb13cb123275da0b3e4d52ef2acf5beabb5d90d810624fe4099cd7a",
"source": "kam193",
"versions": [
"1.0.6"
]
},
{
"id": "pypi/2025-10-mcp-runcommand-server/mcp-runcommand-server2",
"import_time": "2025-12-02T23:07:18.357257926Z",
"modified_time": "2025-10-10T10:05:56.622459Z",
"sha256": "36fb61d44529c380f204d5a210017989695ef39df6adfce7ccfb08e48a17b594",
"source": "kam193",
"versions": [
"1.0.6"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (36fb61d44529c380f204d5a210017989695ef39df6adfce7ccfb08e48a17b594)\nPackage starts a reverse shell to a hardcoded location\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-10-mcp-runcommand-server\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim\u0027s machine.\n",
"id": "MAL-2025-191648",
"modified": "2025-12-03T00:04:27Z",
"published": "2025-10-10T10:05:56Z",
"references": [
{
"type": "WEB",
"url": "https://research.jfrog.com/post/3-malicious-mcps-pypi-reverse-shell"
},
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/mcp-runcommand-server2"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in mcp-runcommand-server2 (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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