mailu-mcp

Item: mailu-mcp
Rating: 58
Author: M8ven

MCP server to administer a Mailu mail server from Claude — domains, mailboxes, aliases and forwards.

→ manganate006/mailu-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 14 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.

🔐

You'll be asked for 1 credential: MAILU_API_TOKEN

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

// known CVEs in dependencies14 high4 medium12 low

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

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

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

highaxios@1.6.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.6.0GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.6.0GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

highaxios@1.6.0GHSA-4hjh-wcwx-xvwj

Axios is vulnerable to DoS attack through lack of data size check

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.

🔐 secretMAILU_API_TOKEN— env =your_token \

configMAILU_API_URL— env =https://mail.example.com/api/v1 \

configMAILU_MCP_DEBUG— Debug logs on stderr ❌ true / false

// 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 2 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/manganate006-mailu-mcp-6ma9u9)](https://m8ven.ai/mcp/manganate006-mailu-mcp-6ma9u9)

commit: 74cfb4b4018990eb33f3b23698050e79632748e2

code hash: cebd09aac949f8f5364d9d665147d8130a67f1ce865ae36c56ab8febd2ce033f

verified: 7/21/2026, 8:53:53 AM

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