How a Single Missing Middleware Call Gave Attackers Full nginx-ui Takeover (CVE-2026-33032)
The Short Version There’s a bug in nginx-ui that’s been sitting in production since the MCP integration landed. A single HTTP endpoint — /mcp_message — handles every destructive operation the MCP tools can perform (config writes, nginx restarts, anything with side effects). It has an IP whitelist. It does NOT have authentication. The paired endpoint […]