MCP01 Token Mismanagement

Item: MCP01 Token Mismanagement
Rating: 69
Author: M8ven

A deliberately vulnerable MCP server demonstrating API key exposure through hardcoding, plaintext logging, and returning secrets to the model, part of the OWASP MCP Top 10 security lab.

→ Anita-ani/mcp-security-lab · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: PAYMENTS_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

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

🔐 secretPAYMENTS_API_KEY— $env: = "REPLACE_WITH_KEY_FROM_YOUR_SECRETS_MANAGER"

// 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 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

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[![M8ven Score](https://m8ven.ai/badge/mcp/anita-ani-mcp-security-lab-1girw0)](https://m8ven.ai/mcp/anita-ani-mcp-security-lab-1girw0)

commit: bdd84cc889e33345a2254cfb902398d55c0e97d8

code hash: d887b920917580465c7c9fe49eee3e67fd8ecefee17cbc16491989b401be0009

verified: 7/21/2026, 8:45:03 AM

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