{"id":"MAL-2026-16421","title":"Malicious code in kerokwis (PyPI)","summary":"Malicious code in kerokwis (PyPI)","severity":"critical","exploited":true,"vendor":"kerokwis","product":"kerokwis","ecosystem":"pip","affected":["kerokwis"],"published":"2026-09-22","updated":"2026-09-23","sourceUpdated":"2026-09-23T01:00:11.647255665Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/MAL-2026-16421","references":[{"url":"https://bad-packages.kam193.eu/pypi/package/kerokwis"}],"tags":["osv","pip","malware"],"ingestedAt":"2026-09-24T07:16:01.858Z","slug":"MAL-2026-16421","body":"## Overview\n\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (118186230c3ddb5c23ae32df8fed10655f2c64939daa9a09d5ef71f16884a4f0)\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\n\n## Affected packages\n\n- `kerokwis`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"abyssal","depthScore":70,"depthScoreParts":{"impact":52.3,"likelihood":0,"exploitation":18,"ransomware":0},"changes":[]}