{"action":"No fix published. Pin and monitor.","affected":[],"component":"langchain-core-mcp","cve_ids":[],"ecosystem":"PyPI","exploited":false,"fixed_versions":[],"id":"tcs_01M5KGQDAVRMZSF3H6469NSXEZ","modified_at":"2026-07-07T17:00:05.737941605Z","published_at":"2026-07-07T16:04:20Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1070","https://inspector.pypi.io/project/langchain-core-mcp/1.4.3/packages/51/de/fc5e079bf959bc729044aa0bf8139e87567689d59ee9611ed2a5929ef77a/langchain_core_mcp-1.4.3-py3-none-any.whl/langchain_core-setup.pth","https://www.endorlabs.com/learn/shai-hulud-hades-wave-hits-six-pypi-bioinformatics-packages","https://www.stepsecurity.io/blog/the-hades-campaign-pypi-packages"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-1070","url":"https://osv.dev/vulnerability/PYSEC-2026-1070"}],"summary":"Malicious code in langchain-core-mcp (PyPI)"}