{"id":"PYSEC-2026-1071","summary":"Malicious code in mem8 (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of mem8 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-2026-5319"],"modified":"2026-07-07T17:00:05.686830561Z","published":"2026-07-07T16:09:47Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/mem8/6.0.1/packages/0f/d8/144a73f115189b08391dfc6862828cb5e39ed36c680e0ff292afba54c730/mem8-6.0.1-py3-none-any.whl/mem8-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":"mem8","ecosystem":"PyPI","purl":"pkg:pypi/mem8"},"versions":["6.0.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/mem8/PYSEC-2026-1071.yaml"}}],"schema_version":"1.7.5"}