{"id":"PYSEC-2026-611","summary":"Malicious code in uprobe (PyPI)","details":"Part of the \"Hades\" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,\nmalicious phantom releases of uprobe 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-2026-5279"],"modified":"2026-07-02T12:45:06.479924076Z","published":"2026-07-01T22:17:57Z","references":[{"type":"EVIDENCE","url":"https://inspector.pypi.io/project/uprobe/0.1.4/packages/df/31/a03ea8534bdad483ba856f85ff57aaccc642d432388c55b046d45a788c59/uprobe-0.1.4-py3-none-any.whl//uprobe-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":"uprobe","ecosystem":"PyPI","purl":"pkg:pypi/uprobe"},"versions":["0.1.3","0.1.4"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/uprobe/PYSEC-2026-611.yaml"}}],"schema_version":"1.7.5"}