Rubeus MCP Server

A Model Context Protocol (MCP) server for Kerberos abuse operations using Rubeus on Windows or Impacket on Linux/macOS.

→ schwarztim/sec-rubeus-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.

// known CVEs in dependencies2 high

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

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

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

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.

configIMPACKET_PATH— Path to impacket scripts System PATH

configRUBEUS_DC— Default domain controller None

configRUBEUS_DOMAIN— Default AD domain None

configRUBEUS_OUTPUT_DIR— Directory for output files $TMPDIR/rubeus-mcp

configRUBEUS_PATH— Path to Rubeus.exe (Windows) Rubeus.exe

configRUBEUS_TIMEOUT— Command timeout (ms) 300000

configRUBEUS_USE_IMPACKET— Force impacket mode Auto-detected

// 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/schwarztim-sec-rubeus-mcp-1d60e0)](https://m8ven.ai/mcp/schwarztim-sec-rubeus-mcp-1d60e0)

commit: 359e3e1039a8ea95616f7e61c0240f4fb70c4315

code hash: 5ad2a358db5a403900230ac8b16c822a8cae729cd88a341a9df112c7edd2a242

verified: 6/16/2026, 1:27:37 PM

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