{"slug": "claude-code-backdoor-on-cursor-hit-5000-devs-check-now", "title": "Claude Code Backdoor on Cursor Hit 5,000 Devs — Check Now", "summary": "Cursor's marketplace distributed a trojanized Claude Code extension to roughly 5,000 developers over an 11-hour window, according to byteiota. The report details what the malware did and how developers can check whether they are affected. The incident matters because it exposed a supply-chain path through an AI coding tool's extension marketplace to thousands of developers.", "body_md": "Cursor's marketplace served a trojanized Claude Code extension to ~5,000 developers for 11 hours. Here's what the malware did and how to check if you're affected.\n\nThe post \nClaude Code Backdoor on Cursor Hit 5,000 Devs — Check Now\n appeared first on \nbyteiota\n.", "url": "https://wpnews.pro/news/claude-code-backdoor-on-cursor-hit-5000-devs-check-now", "canonical_source": "https://byteiota.com/claude-code-backdoor-on-cursor-hit-5000-devs-check-now/", "published_at": "2026-10-30 16:20:57+00:00", "updated_at": "2026-10-30 16:50:42.843342+00:00", "lang": "en", "topics": ["ai-safety", "ai-tools", "developer-tools", "ai-products"], "entities": ["Cursor", "Claude Code", "byteiota"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/claude-code-backdoor-on-cursor-hit-5000-devs-check-now", "markdown": "https://wpnews.pro/news/claude-code-backdoor-on-cursor-hit-5000-devs-check-now.md", "text": "https://wpnews.pro/news/claude-code-backdoor-on-cursor-hit-5000-devs-check-now.txt", "jsonld": "https://wpnews.pro/news/claude-code-backdoor-on-cursor-hit-5000-devs-check-now.jsonld"}}