dev.to· Oct 30, 2026· by aloknecessary

Multi-Tenant MCP: Isolation Patterns That Hold Up

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Every multi-tenant MCP deployment starts with the same instinct: put a tenant_id in the JWT, scope...
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
#mcp#kubernetes#security#cloud