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pypi · Malicious package advisory

Malware

chalk-fancy

MAL-2026-3212

Malicious code in chalk-fancy (PyPI)

Details


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## Source: kam193 (b86a641eb2b6239d8a88849df88a1a148fa5380e3c8767dc59915edb295ef5b3)
When used, package exfiltrates sensitive environmental variable.


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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

Compromised versions (9)

  • 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

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.