mcp-servers-sse

1. Hardcoded Secret: The 'EMAIL_API_KEY' in 'servers/meerkats/adapter.js' is hardcoded ('jhfgkjghtucvfg'), posing a critical security risk. 2. Unencrypted Network Communication: The 'EMAIL_SERVICE_URL' in 'servers/meerkats/adapter.js' uses plain HTTP ('http://34.46.80.154/api/email'), which allows eavesdropping and tampering with sensitive data. 3. DNS Rebinding Protection Disabled: 'enable_dns_rebinding_protection: false' in 'server.json' is a severe vulnerability that can allow attackers to bypass same-origin policies and attack internal network resources. 4. Sensitive Data in JWT: The server stores 'apiKey' or 'accessToken' directly within the JWT payload. If the 'JWT_SECRET' (an environment variable) is compromised, an attacker can forge tokens and gain full access to all integrated external APIs for any user. 5. Google API Credentials Handling: Google Sheets/Docs require a path to a service account key file, and Gmail requires an OAuth2 access token. The secure handling, storage, and refresh mechanisms for these credentials are critical and not fully detailed, posing a potential risk.