AdvisoryDark Reading
9.0 — CRITICAL
'TrustFall' Convention Exposes Claude Code Execution Risk
Malicious repositories can trigger code execution in Claude Code, Cursor CLI, Gemini CLI, and CoPilot CLI with minimal or no user interaction, thanks to skimpy warning dialogs.
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
A malicious repository can exploit vulnerabilities in various CLI tools, including Claude Code, Cursor CLI, Gemini CLI, and CoPilot CLI, allowing for code execution with minimal user interaction. This poses a significant risk to users who interact with these tools.
⚙️Technical Details
Affected Systems
Claude CodeCursor CLIGemini CLICoPilot CLI
Attack Vectors
Malicious repositoriesSkimpy warning dialogs
💥Impact Assessment
Severity: critical
Who Is at Risk
Users of the affected CLI tools
🛡️Recommended Actions
1Regularly update and patch CLI tools to prevent exploitation.
2Implement strict access controls for repositories used by CLI tools.
3Monitor system logs for suspicious activity related to CLI tool usage.
📦Affected Products
Claude CodeCursor CLIGemini CLICoPilot CLI
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