{"id":"PYSEC-2026-586","summary":"Malicious code in tlask (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of tlask 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-2026-5305"],"modified":"2026-06-29T21:00:05.129593135Z","published":"2026-06-29T19:31:28Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/tlask/3.1.4/packages/53/2a/bdac122bf1b31661cc393ebb1155b46577e7c14c5aac1dfd83c2bce41767/tlask-3.1.4-py3-none-any.whl/tlask-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":"tlask","ecosystem":"PyPI","purl":"pkg:pypi/tlask"},"versions":["3.1.3","3.1.4"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/tlask/PYSEC-2026-586.yaml"}}],"schema_version":"1.7.5"}