Anthropic VS code extension on Cursor backdoored for nearly 12 hours

Ars TechnicaView source article

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Anthropic official VS Code extension backdoored for nearly 12 hours

An official extension for Anthropic's Claude model was backdoored and threatened as many as 5,000 developers' machines, with Anthropic yet to warn customers of the security breach.

Oct 30, 20263 sourcesAI security Microsoft Data exfiltration Claude Code VS Code extension AI developer tools Coding agents AI coding

Anthropic official VS Code extension backdoored for nearly 12 hours

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The Hacker News

Official Claude Code Extension on Cursor Marketplace Trojanized with Persistent SSH Backdoor

The Register

Anthropic VS code extension on Cursor backdoored for nearly 12 hours

Part of story

Anthropic official VS Code extension backdoored for nearly 12 hours

Other sources for this story

Official Claude Code Extension on Cursor Marketplace Trojanized with Persistent SSH Backdoor

Anthropic: That Claude Code extension compromise… couldn't be us

Anthropic VS code extension on Cursor backdoored for nearly 12 hours

Part of story

Anthropic official VS Code extension backdoored for nearly 12 hours

Other sources for this story

Official Claude Code Extension on Cursor Marketplace Trojanized with Persistent SSH Backdoor

Anthropic: That Claude Code extension compromise… couldn't be us