---
title: "Backdoor in Claude Code for VS Code extension on the Cursor Marketplace"
description: "phorion.io indexed from Hacker News."
canonical: "https://www.symbaiex.com/news/backdoor-in-claude-code-for-vs-code-extension-on-the-cursor-marketplace-50300683"
last-updated: "2026-10-30T07:09:12.000Z"
---
# Backdoor in Claude Code for VS Code extension on the Cursor Marketplace

Source: phorion.io
Hacker News: https://news.ycombinator.com/item?id=50300683
Original source: https://phorion.io/blog/offical-claude-code-vsx-compromise/

https://cursor.com/blog/claude-code-extension-security-notic...