A booby-trapped version of the Claude Code extension was served to Cursor users for about 11 hours on October 29.

A compromised version of Anthropic’s Claude Code extension was available in Cursor’s extension marketplace for about 11 hours ...

Anthropic has denied allegations that a malicious version of the official Claude Code extension published to Cursor’s ...

A tampered Claude Code extension in Cursor's marketplace tried to plant an SSH backdoor on up to 5,000 PCs. Here is what it ...

An official extension for Anthropic’s Claude model was backdoored and threatened as many as 5,000 developers’ machines, ...

A tampered Claude Code 2.1.313 build added an svc-telemetry SSH key and persistence; Cursor says up to 5,000 users installed ...

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A malicious version of Anthropic's Claude Code extension for VS Code and Cursor was distributed through official marketplaces ...

A malicious version of Anthropic's Claude Code VS Code extension was distributed through Cursor's extension marketplace for ...

A tampered build of Anthropic's Claude Code extension for Visual Studio Code, labeled version 2.1.313, was found to contain a 66-line loader ...

A compromised Claude Code VS Code extension added an SSH key, installed persistence, and sent host details before version 2.1 ...

According to Cursor, turning on SSH requires admin rights the extension lacks on most Mac and Windows hosts, and on those ...