bytedecs

{"modified":"2026-04-27T05:23:50Z","published":"2026-04-27T05:23:50Z","schema_version":"1.7.4","id":"MAL-2026-3090","summary":"Malicious code in bytedecs (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (33034832d7823023eca4d7640030b040b26d4d5274e222bf294b7cf0be28430c)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.\n\n\nCampaign: GENERIC-standard-pypi-install-pentest\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n","affected":[{"package":{"ecosystem":"PyPI","name":"bytedecs"},"versions":["99.9.9"]}],"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/bytedecs"}],"credits":[{"name":"Kamil Mańkowski (kam193)","type":"ANALYST","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]}],"database_specific":{"malicious-packages-origins":[{"id":"pypi/GENERIC-standard-pypi-install-pentest/bytedecs","import_time":"2026-04-27T06:03:59.042600272Z","modified_time":"2026-04-27T05:23:50.219843Z","sha256":"33034832d7823023eca4d7640030b040b26d4d5274e222bf294b7cf0be28430c","source":"kam193","versions":["99.9.9"]}]}}