AI & InnovationFirstpost•1 min read•10/31/2026 (2h ago)

Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk

Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk
60-Word AI Digest

Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk Firstpost Cursor says up to 5,000 users affected by tampered Claude Code extension Reuters Anthropic hacked to deliver remote access trojan to Claude developer laptops worldwide DoublePulsar Trojanized Claude Code Extension Delivered Persistent SSH Backdoor to Developer Machines Step Security Claude Code...

Key Takeaways

  • Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk
  • Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk Firstpost Cursor says up to 5,000 users affected by tampered Claude Code extension Reuters Anthropic hacked to deliver remote access trojan to Claude developer laptops worldwide DoublePulsar Trojanized Claude Code Extension Delivered Persistent SSH Backdoor to Developer Machines Step Security Claude Code extension poisoned with persistent SSH backdoor Help Net Security
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Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk Firstpost Cursor says up to 5,000 users affected by tampered Claude Code extension Reuters Anthropic hacked to deliver remote access trojan to Claude developer laptops worldwide DoublePulsar Trojanized Claude Code Extension Delivered Persistent SSH Backdoor to Developer Machines Step Security Claude Code extension poisoned with persistent SSH backdoor Help Net Security

Original Publisher Attribution

This summary was curated from Firstpost.

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Cursor shuts down extension marketplace after malicious Claude Code puts 5,000 users at risk — Loop60