Mcp
Self-Hosted and Unprotected: The AI Workflow Tool Security Crisis
Langflow, Flowise, n8n, ComfyUI — every major self-hosted AI workflow tool has shipped unauthenticated RCE vulnerabilities in 2026. This isn't a coincidence. It's a structural failure baked into how these tools were designed.
Flowise AI Under Active Exploitation: CVSS 10.0 RCE via CustomMCP Node Hits 12,000+ Exposed Instances
Critical unauthenticated RCE in Flowise AI's CustomMCP node (CVE-2025-59528, CVSS 10.0) is under active exploitation. Over 12,000 instances are exposed. Patch to 3.0.6 immediately.
CVE-2026-32211: Azure MCP Server Ships with No Auth — Your DevOps Secrets Are One Request Away
Critical CVSS 9.1 flaw in Azure MCP Server has zero authentication on critical functions, exposing API keys, tokens, repos, and pipeline configs to unauthenticated attackers. No patch available.
CVE-2026-33032: Nginx UI MCP Endpoint Lets Anyone Hijack Your Web Server — No Auth Required
Critical 9.8 CVSS flaw in Nginx UI exposes unauthenticated MCP endpoint. Public PoC available, no patch yet. Disable or firewall Nginx UI immediately.