drawio-mcp

Item: drawio-mcp
Rating: 50
Author: M8ven

Enables AI assistants to create, read, and edit draw.io diagrams with live preview in VS Code.

→ abossard/drawio-mcp · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 7 high

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

// known CVEs in dependencies2 critical7 high4 low

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

criticalfast-xml-parser@5.2.3GHSA-m7jm-9gc2-mpf2

fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names

criticalvitest@4.0.18GHSA-5xrq-8626-4rwp

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

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

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

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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.

configDRAWIO_MCP_NO_SIDECAR— 1 Set to 1 to disable the WebSocket sidecar

configDRAWIO_MCP_SIDECAR_PORT— drawioMcpBridge.websocketPort 9219 WebSocket port (must match )

// 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/abossard-drawio-mcp-9nutbh)](https://m8ven.ai/mcp/abossard-drawio-mcp-9nutbh)

commit: 9a1992ec610911b35433e0f7e7f69b8c8f512c3a

code hash: 4a75683d68319f13ffa0965291f9b83ba28c33bb31c6d23e7b50cdaa4e681b26

verified: 6/22/2026, 1:00:37 PM

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