{"id":"PYSEC-2026-604","summary":"Malicious code in napari-ufish (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of napari-ufish 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-2026-5275"],"modified":"2026-07-02T12:45:04.727632385Z","published":"2026-07-01T19:12:04Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/napari-ufish/0.0.3/packages/bb/6f/cae6c37dfcd5b2efa7f1343f70a86d91da6caad923982ac2776873b83243/napari_ufish-0.0.3-py3-none-any.whl//napari_ufish-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":"napari-ufish","ecosystem":"PyPI","purl":"pkg:pypi/napari-ufish"},"versions":["0.0.2","0.0.3"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/napari-ufish/PYSEC-2026-604.yaml"}}],"schema_version":"1.7.5"}