MAL-2026-6384

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/mcpsever/MAL-2026-6384.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-6384
Published
2026-06-24T06:39:18Z
Modified
2026-06-24T08:01:23.042740757Z
Summary
Malicious code in mcpsever (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (087fec121d53b905e66a2c368e905de51bc7aa3863f0777589a18d45623d3515)

During installation, the package exfiltrates env variables

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

Campaign: 2026-06-ip-rotat

Reasons (based on the campaign):

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • exfiltration-env-variables

  • typosquatting

Database specific 
{
    "iocs": {
        "domains": [
            "gjampdwmdjmppwedtkpbbdkq05f6iiz6r.oast.fun"
        ]
    },
    "malicious-packages-origins": [
        {
            "versions": [
                "0.0.1"
            ],
            "id": "pypi/2026-06-ip-rotat/mcpsever",
            "modified_time": "2026-06-24T06:39:18.746467Z",
            "import_time": "2026-06-24T07:47:34.503360553Z",
            "sha256": "087fec121d53b905e66a2c368e905de51bc7aa3863f0777589a18d45623d3515",
            "source": "kam193"
        }
    ]
}
References
Credits

Affected packages

PyPI / mcpsever

Package

Name
mcpsever
View open source insights on deps.dev
Purl
pkg:pypi/mcpsever

Affected ranges

Affected versions

0.*
0.0.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/mcpsever/MAL-2026-6384.json"