{"id":"PYSEC-2026-581","summary":"Malicious code in dynamo-release (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of dynamo-release 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-2026-5274"],"modified":"2026-06-29T21:00:04.979404955Z","published":"2026-06-29T15:36:03Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/dynamo-release/1.5.4/packages/4a/52/8b85585fc5392a1342d3e62296a9b79c3e1c48737cf6fd4b1ef47e1cf264/dynamo_release-1.5.4-py3-none-any.whl//dynamo_release-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":"dynamo-release","ecosystem":"PyPI","purl":"pkg:pypi/dynamo-release"},"versions":["1.5.4"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/dynamo-release/PYSEC-2026-581.yaml"}}],"schema_version":"1.7.5"}