https://mcp-news.com/news/mcp-memory-service-unauth-api-cve-reaches-nvd MCP News en 2026-08-14 CVE record published for critical unauthenticated document API in mcp-memory-service, whose GitHub repository has since disappeared https://mcp-news.com/news/csharp-sdk-2-2-0-hybrid-http-session-mode MCP News en 2026-08-13 C# SDK v2.2.0 adds hybrid HTTP serving so 2025-11-25 and 2026-07-28 clients share one endpoint https://mcp-news.com/news/flowise-custom-mcp-rce-cve-reaches-nvd MCP News en 2026-08-13 CVE record published for Flowise remote code execution via the Custom MCP node