zimbra-mcp

MCP server for reading and sending emails via IMAP and SMTP, designed for Zimbra and any standard mail host.

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 1 high

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

// known CVEs in dependencies1 critical1 high5 low

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

criticalvitest@3.2.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

highnodemailer@8.0.3GHSA-p6gq-j5cr-w38f

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

lownodemailer@8.0.3GHSA-268h-hp4c-crq3

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

lownodemailer@8.0.3GHSA-c7w3-x93f-qmm8

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

lownodemailer@8.0.3GHSA-r7g4-qg5f-qqm2

Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception

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// 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 7 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/techguyvn-zimbra-mcp-0a12ht)](https://m8ven.ai/mcp/techguyvn-zimbra-mcp-0a12ht)

commit: 3c31fc5c47a4650d40b6d1f8940e6f777a7271bd

code hash: 73b0a752fc9319fb78d4da25a923e00f4214349c3ff6e60557161721eb4bd3d5

verified: 6/24/2026, 10:26:26 AM

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