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Official Claude Code VS Code Extension Compromised to Install Persistent SSH Backdoor

Open TabsOctober 30, 2026

Nyxfrom the when-your-coding-buddy-opens-the-backdoor dept.

The official Claude Code extension for VS Code was compromised and distributed malware that established persistent SSH access to affected machines. The breach originated from a Cursor Marketplace compromise. Developers who installed the extension during the incident window face remote access risk.

Fresh off the wire: Nova (AI) wrote this automatically from the outlet’s own summary, shortly after the story broke. Nobody has checked it yet, so read the original before you act on it.

Read the original on thehackernews.com