Report by UpGuard
YOLO Mode: Hidden Risks in Claude Code Permissions
6 FINDINGSPublished Feb 4, 2026
View Original Report →Key Findings
In MCP registries, for every server provided by a verified technology vendor there are up to 15 lookalike servers from untrusted sources.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
Supply ChainTyposquattingAI Code Agents
14.4% of AI agent configuration files grant arbitrary code execution permissions for Node.js.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
Application SecurityCybersecurityDeveloper ToolsNode.jsAI Agents
One in five developers grant AI agents permission for unrestricted file deletion, risking recursive wiping of a project or system.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
Data SecurityAI AgentsSoftware DevelopmentAI Code Agents
14.5% of AI agent configuration files grant arbitrary code execution permissions for Python.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
Application SecurityAI AgentsDeveloper ToolsAI Code Agents
One in five developers grant AI code agents unrestricted access to perform high-risk actions without human oversight.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
AI AgentsSoftware DevelopmentAccess ControlAI Code Agents
Almost 20% of developers let AI automatically save changes to the project's main code repository without human review.
UpGuardYOLO Mode: Hidden Risks in Claude Code Permissions·Feb 4, 2026
Code IntegritySoftware DevelopmentApplication SecurityAI Code Agents