{"id":"PYSEC-2026-591","summary":"Malicious code in funcdesc (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of funcdesc 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-2026-5300"],"modified":"2026-07-01T12:45:04.741285510Z","published":"2026-06-30T20:24:41Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/funcdesc/0.2.3/packages/ee/07/a3a5d522d90245b00ba11d6f40608c46ce63b4dad69e51f1a197323c4053/funcdesc-0.2.3-py3-none-any.whl//funcdesc-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-pack"}],"affected":[{"package":{"name":"funcdesc","ecosystem":"PyPI","purl":"pkg:pypi/funcdesc"},"versions":["0.2.2","0.2.3"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/funcdesc/PYSEC-2026-591.yaml"}}],"schema_version":"1.7.5"}