Observed Signal · Oct 30, 2026 · Market Signal · Source: Sophos · Impact: 2/5

Malicious Claude Code extension distributed through Cursor marketplace

Executive Signal Summary

Sophos threat research advisory on a malicious Claude Code extension distributed through the Cursor marketplace, dated October 30, 2026.

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Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: Sophos•Published: Oct 30, 2026
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