{"id":"MAL-2026-5684","summary":"Malicious code in jec (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (cfd390b5ea0fe558bd7f5fd56dec8386148e58d7f8d4b6bba14f8a2aa8b6d323)\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":"2026-06-12T13:45:55.211102442Z","published":"2026-06-12T13:07:48Z","database_specific":{"malicious-packages-origins":[{"id":"pypi/GENERIC-standard-pypi-install-pentest/jec","versions":["39.0.1"],"sha256":"cfd390b5ea0fe558bd7f5fd56dec8386148e58d7f8d4b6bba14f8a2aa8b6d323","source":"kam193","modified_time":"2026-06-12T13:07:48.695077Z","import_time":"2026-06-12T13:42:38.005408789Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/jec"}],"affected":[{"package":{"name":"jec","ecosystem":"PyPI","purl":"pkg:pypi/jec"},"versions":["39.0.1"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/jec/MAL-2026-5684.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}