{"id":"MAL-2026-1991","summary":"Malicious code in nsscache (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (f799f92bcb0f24e47655a4a38d97a8981bad8f31f28f7d82a5378ae8aa0f1c74)\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":"2026-03-20T11:31:56.695771Z","published":"2026-03-20T10:36:26Z","database_specific":{"malicious-packages-origins":[{"import_time":"2026-03-20T11:14:51.084519685Z","modified_time":"2026-03-20T10:36:26.827196Z","sha256":"f799f92bcb0f24e47655a4a38d97a8981bad8f31f28f7d82a5378ae8aa0f1c74","source":"kam193","versions":["9.9.9"],"id":"pypi/GENERIC-standard-pypi-install-pentest/nsscache"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/nsscache"}],"affected":[{"package":{"name":"nsscache","ecosystem":"PyPI","purl":"pkg:pypi/nsscache"},"versions":["9.9.9"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/nsscache/MAL-2026-1991.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}