CVE-2026-48796 CefSharp: `FolderSchemeHandlerFactory` path boundary check can expose files outside the configured root folder

CefSharp provides .NET bindings for the Chromium Embedded Framework for Windows Forms and Windows Presentation Foundation applications. Prior to version 148.0.90, CefSharp/SchemeHandler/FolderSchemeHandlerFactory.cs used filePath.StartsWithrootFolder, StringComparison.OrdinalIgnoreCase to decide...