# MCP Server and Tool Permission Attacks

> Master techniques for exploiting misconfigured permissions, over-privileged MCP servers, and insecure tool access controls to achieve unauthorized data access.

Canonical: https://codelivly.com/rooms/mcp-server-tool-permission-attacks
Last updated: 2026-10-14

| | |
|---|---|
| Level | Advanced |
| Category | Cybersecurity |
| Lessons | 3 |
| Estimated time | 30 min |
| XP | 100 |

This module dives into the offensive mechanics of MCP security, focusing on permission-based vulnerabilities. You will learn how to identify and exploit over-privileged MCP servers, bypass tool-level access controls, and chain permission flaws to achieve unauthorized data access or remote code execution within an MCP-connected environment.

## Lessons

1. What Can Go Wrong with MCP Tool Permissions (30 min)
2. Abusing Overly Broad MCP Tool Scopes (30 min)
3. Malicious MCP Server Risks (30 min)

## Related

- [Learning path: Multi-Agent and MCP Security](https://codelivly.com/learning-paths/multi-agent-mcp-security)
- [All rooms](https://codelivly.com/rooms)