Cursor Discloses SSH Backdoor Attempt in Malicious Claude Code Extension
· unite.ai · popularity 22/100 · 1 similar story today · Generative AI Tools & Use (Artificial Intelligence)
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Summary
Cursor on October 29, 2026 disclosed a security incident involving a maliciously modified version of the Anthropic.claude-code extension in its VS Code extension Marketplace. The company said the package was not developed by Anthropic and that it ran code attempting to install a persistent SSH backdoor. At most 5,000 users were affected. In a security notice, the company said it will reach out to affected users directly. The malicious package, version 2.1.313 of Anthropic's Claude Code…
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