mal-2026-1018
Vulnerability from ossf_malicious_packages
Published
2026-02-24 15:18
Modified
2026-02-24 15:18
Summary
Malicious code in do-not-install-this-package-003 (PyPI)
Details

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

Source: kam193 (3b7a8f2037bd4c28a5474af17179da0c12e37019623f5efa4d081d60758d4ac9)

During installation, the package exfiltrates env variables and data from different process memory to a remote location

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

Campaign: 2026-01-do-not-install-this-package-002

Reasons (based on the campaign):

  • exfiltration-generic

  • exfiltration-credentials

  • exfiltration-env-variables

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

Credits
Kamil Mańkowski (kam193) github.com/kam193 bad-packages.kam193.eu/
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "do-not-install-this-package-003"
      },
      "versions": [
        "0.1.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "bachelor-thesis-001.proxy.beeceptor.com"
      ],
      "urls": [
        "https://bachelor-thesis-001.free.beeceptor.com"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-01-do-not-install-this-package-002/do-not-install-this-package-003",
        "import_time": "2026-02-24T15:50:45.91387336Z",
        "modified_time": "2026-02-24T15:18:17.776656Z",
        "sha256": "3b7a8f2037bd4c28a5474af17179da0c12e37019623f5efa4d081d60758d4ac9",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (3b7a8f2037bd4c28a5474af17179da0c12e37019623f5efa4d081d60758d4ac9)\nDuring installation, the package exfiltrates env variables and data from different process memory to  a remote location\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-01-do-not-install-this-package-002\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - exfiltration-credentials\n\n\n - exfiltration-env-variables\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
  "id": "MAL-2026-1018",
  "modified": "2026-02-24T15:18:17Z",
  "published": "2026-02-24T15:18:17Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/do-not-install-this-package-003"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in do-not-install-this-package-003 (PyPI)"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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