gmail-attachments-mcp

Item: gmail-attachments-mcp
Rating: 19
Author: M8ven

An MCP server for Gmail that enables downloading attachments and creating drafts with file attachments, without the ability to send emails.

→ grtelfer/gmail-attachments-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 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: GOOGLE_CLIENT_SECRET

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

// known CVEs in dependencies2 high1 medium5 low

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

highnodemailer@6.9.16GHSA-p6gq-j5cr-w38f

Nodemailer: Message-level raw option bypasses disableFileAccess/disableUrlAccess, enabling arbitrary file read and full-response SSRF in the delivered message

highnodemailer@6.9.16GHSA-rcmh-qjqh-p98v

Nodemailer’s addressparser is vulnerable to DoS caused by recursive calls

mediumnodemailer@6.9.16GHSA-mm7p-fcc7-pg87

Nodemailer: Email to an unintended domain can occur due to Interpretation Conflict

lownodemailer@6.9.16GHSA-268h-hp4c-crq3

Nodemailer: CRLF injection in Nodemailer List-* header comments allows arbitrary message header injection

lownodemailer@6.9.16GHSA-c7w3-x93f-qmm8

Nodemailer has SMTP command injection due to unsanitized `envelope.size` parameter

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// required environment variables

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

configGOOGLE_CLIENT_ID— / GOOGLE_CLIENT_SECRET Supply OAuth credentials via environment instead of credentials.json

🔐 secretGOOGLE_CLIENT_SECRET— GOOGLE_CLIENT_ID / Supply OAuth credentials via environment instead of credentials.json

configGOOGLE_MCP_PROFILE— Namespace the stored token, so you can authorize multiple Google accounts side by side. Alphanumeric, hyphens, and underscores only.

configLOG_LEVEL

configXDG_CONFIG_HOME— Overrides where the token is stored. Defaults to ~/.config/gmail-mcp/.

// 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/grtelfer-gmail-attachments-mcp-jra46c)](https://m8ven.ai/mcp/grtelfer-gmail-attachments-mcp-jra46c)

commit: f7ac6b51067260eb6303f6eb598e674e0ce0303e

code hash: ea614d7f0c7b7060c65436a3d1b74bc28bf68e82de9c5420007e10642c49c5cc

verified: 7/30/2026, 8:48:26 AM

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