{"id":"PYSEC-2026-605","summary":"Malicious code in nucbox (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of nucbox were published to PyPI using stolen\ncredentials. The package executes a bundled JavaScript payload (via the Bun\nruntime) on import that harvests and exfiltrates credentials and attempts\nself-propagation. This entry is a summary; behavior may not be fully\ncharacterized here. See the linked references for detailed analysis and\nindicators of compromise.\n","aliases":["MAL-2026-5276"],"modified":"2026-07-02T12:45:04.732103581Z","published":"2026-07-01T19:19:17Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/nucbox/0.1.3/packages/5a/3d/d6610213bbd6a4dfe2031cdd3744fc2bc0819e8c1012a35ae77138ca32df/nucbox-0.1.3-py3-none-any.whl//nucbox-setup.pth"},{"type":"ARTICLE","url":"https://www.endorlabs.com/learn/shai-hulud-hades-wave-hits-six-pypi-bioinformatics-packages"},{"type":"ARTICLE","url":"https://www.stepsecurity.io/blog/the-hades-campaign-pypi-packages"}],"affected":[{"package":{"name":"nucbox","ecosystem":"PyPI","purl":"pkg:pypi/nucbox"},"versions":["0.1.2","0.1.3"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/nucbox/PYSEC-2026-605.yaml"}}],"schema_version":"1.7.5"}