mal-2026-3212
Vulnerability from ossf_malicious_packages
Published
2026-05-01 13:46
Modified
2026-05-01 13:46
Summary
Malicious code in chalk-fancy (PyPI)
Details

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

Source: kam193 (b86a641eb2b6239d8a88849df88a1a148fa5380e3c8767dc59915edb295ef5b3)

When used, package exfiltrates sensitive environmental variable.


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

Campaign: 2026-04-renderctx

Reasons (based on the campaign):

  • backdoor

  • files-exfiltration

  • crypto-related

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

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chalk-fancy"
      },
      "versions": [
        "0.0.0",
        "0.0.3",
        "1.0.3",
        "1.0.4",
        "1.0.5",
        "1.0.6",
        "1.0.7",
        "1.0.8",
        "1.0.9"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "domains": [
        "renderkit1.vercel.app",
        "ctx-graphics.vercel.app"
      ],
      "urls": [
        "https://renderkit1.vercel.app",
        "https://ctx-graphics.vercel.app"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-04-renderctx/chalk-fancy",
        "import_time": "2026-05-01T14:29:30.463743137Z",
        "modified_time": "2026-05-01T13:46:20.759076Z",
        "sha256": "b86a641eb2b6239d8a88849df88a1a148fa5380e3c8767dc59915edb295ef5b3",
        "source": "kam193",
        "versions": [
          "0.0.0",
          "0.0.3",
          "1.0.3",
          "1.0.4",
          "1.0.5",
          "1.0.6",
          "1.0.7",
          "1.0.8",
          "1.0.9"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (b86a641eb2b6239d8a88849df88a1a148fa5380e3c8767dc59915edb295ef5b3)\nWhen used, package exfiltrates sensitive environmental variable.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-04-renderctx\n\n\nReasons (based on the campaign):\n\n\n - backdoor\n\n\n - files-exfiltration\n\n\n - crypto-related\n\n\n - The malicious code is intentionally included in a dependency of the package\n",
  "id": "MAL-2026-3212",
  "modified": "2026-05-01T13:46:20Z",
  "published": "2026-05-01T13:46:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/0xsebasneuron"
    },
    {
      "type": "WEB",
      "url": "https://socket.dev/supply-chain-attacks/north-korea-s-contagious-interview-campaign"
    },
    {
      "type": "WEB",
      "url": "https://github.com/0xsebasneuron/polymarket-arbitrage-copy-trading-bot-V2/commit/4dae9aea3c35a627a7f38a28946f73af18930a3e#diff-4d7c51b1efe9043e44439a949dfd92e5827321b34082903477fd04876edb7552"
    },
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/chalk-fancy"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in chalk-fancy (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.
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