dev.to· Aug 31, 2026· by ventrova

The Wildcard Scope Problem: Why MCP Configs Default to admin:* Instead of Least Privilege

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If you grep your own mcp.json files right now, there's a decent chance you'll find a scope string...
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#ai#security#mcp#llm