mal-2026-3219
Vulnerability from ossf_malicious_packages
Published
2026-05-01 20:28
Modified
2026-05-01 20:28
Summary
Malicious code in tns-py (PyPI)
Details

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

Source: kam193 (186bfba0931ba063bd6e71325785b97c646cbfaaf91c4dca876653673d29c0cc)

Package is prepared to exfiltrate environmental variables. The wording used clearly states it's part of a campaign targeting cryptocurrency users via malicious projects

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

Campaign: 2026-05-tns-py

Reasons (based on the campaign):

  • exfiltration-env-variables

  • crypto-related

  • 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": "tns-py"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "polymarket-bdoor.vercel.app"
      ],
      "urls": [
        "https://polymarket-bdoor.vercel.app/api/data"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-05-tns-py/tns-py",
        "import_time": "2026-05-01T20:49:02.764888224Z",
        "modified_time": "2026-05-01T20:28:54.417573Z",
        "sha256": "186bfba0931ba063bd6e71325785b97c646cbfaaf91c4dca876653673d29c0cc",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (186bfba0931ba063bd6e71325785b97c646cbfaaf91c4dca876653673d29c0cc)\nPackage is prepared to exfiltrate environmental variables. The wording used clearly states it\u0027s part of a campaign targeting cryptocurrency users via malicious projects\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-05-tns-py\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-env-variables\n\n\n - crypto-related\n\n\n - The malicious code is intentionally included in a dependency of the package\n",
  "id": "MAL-2026-3219",
  "modified": "2026-05-01T20:28:54Z",
  "published": "2026-05-01T20:28:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/tns-py"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in tns-py (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

Author Source Type Date Other

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.