{"id":"MAL-2026-2178","summary":"Malicious code in lm-sys (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (69240e51e47ad6f05a6d2e98047b80c3beb9f2e05d1449b50606c812b9eb1c1e)\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":"2026-03-25T06:05:09.928862Z","published":"2026-03-25T05:04:34Z","database_specific":{"malicious-packages-origins":[{"id":"pypi/GENERIC-standard-pypi-install-pentest/lm-sys","import_time":"2026-03-25T05:52:35.052703641Z","modified_time":"2026-03-25T05:05:02.101553Z","sha256":"69240e51e47ad6f05a6d2e98047b80c3beb9f2e05d1449b50606c812b9eb1c1e","source":"kam193","versions":["99.0.0"]}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/lm-sys"}],"affected":[{"package":{"name":"lm-sys","ecosystem":"PyPI","purl":"pkg:pypi/lm-sys"},"versions":["99.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/lm-sys/MAL-2026-2178.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}