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MAL-2026-16407
Malicious code in poly-check-b (PyPI)
Details
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## Source: kam193 (0e03276b0825e5aa683a1edd8c9a7f9947888cd03cde8c5351895a0fa3c2fba6) During installation, the package attempts to silently execute code. In analyzed versions, the payload file was missing.
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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-09-snap-queue
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI/poly-check-b
No fixed version published yet for poly-check-b (pip). Pin to a known-safe version or switch to an alternative.