{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vcdiff-py",
        "purl": "pkg:pypi/vcdiff-py"
      },
      "versions": [
        "2.2.0",
        "2.1.0"
      ]
    }
  ],
  "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": {
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-04821",
        "import_time": "2025-09-26T11:05:36.728933098Z",
        "modified_time": "2025-09-26T09:14:45Z",
        "sha256": "c25064bd810eff9dbee5053aa59fc9d23dbb528fc62d22af7edd06b2acd46440",
        "source": "reversing-labs",
        "versions": [
          "2.2.0"
        ]
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/vcdiff-py",
        "import_time": "2025-12-02T22:30:56.488095036Z",
        "modified_time": "2025-08-21T15:31:47.97793Z",
        "sha256": "3b86ebc1dd7012cae098cb59e747b3eb206294fa6e82bd0600c7d77ea5a99b7d",
        "source": "kam193",
        "versions": [
          "2.2.0",
          "2.1.0"
        ]
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/vcdiff-py",
        "import_time": "2025-12-02T23:07:19.669249427Z",
        "modified_time": "2025-08-21T15:31:47.97793Z",
        "sha256": "d15d16ed1fc3a2984f207f6b4cf5fbea00fc66ecbf61a57faee650730aaf5c9d",
        "source": "kam193",
        "versions": [
          "2.2.0",
          "2.1.0"
        ]
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/vcdiff-py",
        "import_time": "2025-12-30T22:39:04.364634009Z",
        "modified_time": "2025-08-21T15:31:47.97793Z",
        "sha256": "0f10fa335a609974b19cdbbf889af8dfc2f06759d86435436e851f528bad917c",
        "source": "kam193",
        "versions": [
          "2.1.0",
          "2.2.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (d15d16ed1fc3a2984f207f6b4cf5fbea00fc66ecbf61a57faee650730aaf5c9d)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research \u0026 co, with clearly low-harm possibilities.\n\n\nCampaign: GENERIC-standard-pypi-install-pentest\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
  "id": "MAL-2025-47811",
  "modified": "2025-12-31T02:45:16Z",
  "published": "2025-08-21T15:31:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/vcdiff-py"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in vcdiff-py (PyPI)"
}