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

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It wasn’t a compromise of Anthropic’s systems,’ says Anthropic, as a tampered Claude Code extension reached up to 5,000 Cursor users.

OpenCode is a free, open-source AI coding agent. At first glance, it may look like another Claude Code alternative, but there ...

Cursor’s marketplace was compromised for 11 hours, infecting up to 5,000 users with a backdoor via a modified Claude Code ...

First, a word of honestyTo be clear from the start, the author did not use this extension during the affected period.This ...

AI development tool Cursor's marketplace distributed a tampered version of the Claude Code extension for about 11 hours, with ...

Cursor says a maliciously modified Claude Code extension reached at most 5,000 users through its extension marketplace. The ...

Microsoft analyzes a malicious Claude Code–branded extension, its persistent SSH backdoor, and guidance to detect and ...

A malicious version of Anthropic's Claude Code extension was distributed through the Cursor code editor's extension ...

A malicious Claude Code extension was available in Cursor’s marketplace for about 11 hours. Cursor temporarily closed the ...

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