{"id":"MAL-2026-877","summary":"Malicious code in arrayvec (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (39346af7e82bdb4aa8dca53b864258b9ffe328ea982aa3009b62b84d174ebe29)\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","modified":"2026-02-13T12:31:48.846145Z","published":"2026-02-13T10:27:10Z","database_specific":{"malicious-packages-origins":[{"versions":["1.0.99"],"sha256":"39346af7e82bdb4aa8dca53b864258b9ffe328ea982aa3009b62b84d174ebe29","modified_time":"2026-02-13T10:27:10.932051Z","import_time":"2026-02-13T11:15:46.0873952Z","id":"pypi/GENERIC-standard-pypi-install-pentest/arrayvec","source":"kam193"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/arrayvec"}],"affected":[{"package":{"name":"arrayvec","ecosystem":"PyPI","purl":"pkg:pypi/arrayvec"},"versions":["1.0.99"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/arrayvec/MAL-2026-877.json"}}],"schema_version":"1.7.3","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}