Microsoft Finds SSH Backdoor in Claude Code 2.1.313 on Cursor, Exposing Up to 5,000 Users
Microsoft Analyzes Malicious Claude Code Extension on Cursor Marketplace with SSH BackdoorGovInfoSecurity.com3d ago Cursor Confirms Anthropic Claude Code Extension Compromisedpasqualepillitteri.it2d ago Claude Code extension compromised on Cursor, tries to open an SSH backdoorOfficial Claude Code Extension on Cursor Marketplace Trojanized with Persistent SSH BackdoorCursor's Claude Code Extension Was Hijacked, Exposing 5,000 Developers to SSH Backdoor | AlphaSignalCursor: Tampered Claude Code Extension Affected 5,000 Users on VS Code MarketplaceAnthropic VS Code Extension Backdoored on Cursor Marketplace, Affecting 5,000 UsersMalicious Claude Code extension on Cursor planted SSH backdoors: A malicious version of Anthropic's Claude Code VS Code extension was distributed through Cursor's extension marketplace for approximateThe official Claude code VS Code extension was compromised and pulling it would've installed an ssh backdoor on your machine for a brief window today. : r/ClaudeCodeMalicious Claude Code Extension Installs SSH Backdoor via CursorTrojanized Claude Code Extension Installs SSH Backdoor.Trojanized Claude Code Extension Delivered Persistent SSH Backdoor to Developer Machines - StepSecurityMalicious Anthropic Claude Extension Found on Cursor Marketplace, Affecting 5,000 UsersTrusted Tool, Malicious Build: What the Trojanized Claude Code Extension Means for Developer Endpoints | Morphisec BlogThe Hacker News on X: "‼️ Anthropic's official Claude Code extension was distributed with an SSH backdoor via Cursor's marketplace. A trojanized update (v2.1.313) targeted up to 5,000 users, according to Cursor.Trojanized Claude Code Extension 2.1.313 in Cursor Marketplace Plants SSH Backdoor – Rescanahighlearningrate.substack.com2d ago Cursor Extension Backdoor + Open Weights - 2026-10-30RH-ISAC | Claude Code Extension Trojanized on Cursor Marketplace with SSH Backdoor Add a tag - RH-ISAC