MAL-2026-16407

    Dashboard / Malicious Package / MAL-2026-16407

    MAL-2026-16407

    Published: 22 Sept 2026Last Modified: 22 Sept 2026

    Summary: Malicious code in poly-check-b (PyPI)

    Details: Source: kam193 (0e03276b0825e5aa683a1edd8c9a7f9947888cd03cde8c5351895a0fa3c2fba6) During installation, the package attempts to silently execute code. In analyzed versions, the payload file was missing. 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.

    Affected packages

    Package

    Name: poly-check-b

    Purl: pkg:pypi/poly-check-b

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    1.0.0