mcp-oauth2.1-server

Item: mcp-oauth2.1-server
Rating: 58
Author: M8ven

Reference mcp server implementation of draft mcp oauth spec https://modelcontextprotocol.io/specification/draft/basic/authorization#2-3-authorization-server-discovery

→ QuantGeekDev/mcp-oauth2.1-server · listed on github_topic

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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.

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.11.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.11.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.11.0GHSA-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.

configAUTHORIZATION_SERVER_HOSTNAME

configAUTHORIZATION_SERVER_PORT

configAUTHORIZATION_SERVER_PROTOCOL

configAUTHORIZATION_SERVER_REGION

configCOGNITO

configCOGNITO_ALLOWED_REDIRECT_URIS

configCOGNITO_CLIENT_ID

configKEYCLOAK

configKEYCLOAK_REALM

configPORT

configRESOURCE_SERVER_HOSTNAME

configRESOURCE_SERVER_PORT

configRESOURCE_SERVER_PROTOCOL

// 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 6 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/quantgeekdev-mcp-oauth2-1-server-150s6c)](https://m8ven.ai/mcp/quantgeekdev-mcp-oauth2-1-server-150s6c)

commit: e4ae7720cd008f3def2c1cc989932480142ae416

code hash: 6d5a7a5135bca972835ccdd7a53dd273365c59515fbf3a4a232c486e2f2bca2a

verified: 5/28/2026, 11:07:52 AM

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