MCPGoat

Item: MCPGoat
Rating: 54
Author: M8ven

A deliberately insecure MCP server for practicing penetration testing, featuring 26 challenges at three difficulty levels with flags to capture, covering vulnerabilities like RCE, SSRF, SQLi, and more.

→ SabyasachiDhal/MCPGoat · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configHOST

configMCPGOAT_AGENT_BACKEND— ollama OLLAMA_MODEL=llama3.1 npm run agent # real local model

configMCPGOAT_LEVEL— interface. Start at a level with -e =difficult.

configOLLAMA_HOST

configOLLAMA_MODEL— MCPGOAT_AGENT_BACKEND=ollama =llama3.1 npm run agent # real local model

configPORT

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 8 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/sabyasachidhal-mcpgoat-1msd99)](https://m8ven.ai/mcp/sabyasachidhal-mcpgoat-1msd99)

commit: 9390f488639d7560203eeab10e8b2c595a90d015

code hash: 72ab925279a0f8bc03ea7d0c3c3bc193d6244467dd0510393dcab49fe57c2ea1

verified: 6/19/2026, 10:49:42 AM

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