MAL-2026-3220
Vulnerability from ossf_malicious_packages
Published
2026-05-01 21:03
Modified
2026-05-01 21:03
Summary
Malicious code in py-clob-clients (PyPI)
Details

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

Source: kam193 (7136140b365c314a42f5efe300779f093c40a41fb5c2258c7f5ff05c88eba2f8)

Package exfiltrates env variables from .env files. It's a typosquatting of a legitimate package and is used in a malicious GitHub repository

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

Campaign: 2026-05-py-clob-clients

Reasons (based on the campaign):

  • typosquatting

  • crypto-related

  • exfiltration-env-variables

  • action-hidden-in-lib-usage

  • The malicious code is intentionally included in a dependency of the package

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

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "py-clob-clients"
      },
      "versions": [
        "0.1.0",
        "0.1.1",
        "0.1.2",
        "0.1.4",
        "0.1.5",
        "0.1.7",
        "0.1.8"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "ips": [
        "135.181.211.196"
      ],
      "urls": [
        "http://135.181.211.196:8787/"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-05-py-clob-clients/py-clob-clients",
        "import_time": "2026-05-01T21:21:17.380781961Z",
        "modified_time": "2026-05-01T21:03:29.913926Z",
        "sha256": "7136140b365c314a42f5efe300779f093c40a41fb5c2258c7f5ff05c88eba2f8",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.1.1",
          "0.1.2",
          "0.1.4",
          "0.1.5",
          "0.1.7",
          "0.1.8"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7136140b365c314a42f5efe300779f093c40a41fb5c2258c7f5ff05c88eba2f8)\nPackage exfiltrates env variables from .env files. It\u0027s a typosquatting of a legitimate package and is used in a malicious GitHub repository\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-05-py-clob-clients\n\n\nReasons (based on the campaign):\n\n\n - typosquatting\n\n\n - crypto-related\n\n\n - exfiltration-env-variables\n\n\n - action-hidden-in-lib-usage\n\n\n - The malicious code is intentionally included in a dependency of the package\n",
  "id": "MAL-2026-3220",
  "modified": "2026-05-01T21:03:29Z",
  "published": "2026-05-01T21:03:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rustyneuron01/Polymarket-Sports-Trading-Bot/blob/8f68304257d2064ddd4e308e16083267e8fe3826/config.py#L9"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/py-clob-clients"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in py-clob-clients (PyPI)"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


Detection rules are retrieved from Rulezet.