Microsoft recently released a security advisory and patched a critical vulnerability in ASP.NET Core that allows an attacker to bypass a security feature over a network due to an inconsistent ...

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. This HTTP request smuggling bug (CVE-2025-55315 ...

The Kestrel web server flaw allows request smuggling attacks, but the actual risk depends on the application code and deployment. Microsoft has patched a critical vulnerability in ASP.NET Core that ...

CVE-2025-55315 is an HTTP request smuggling bug leading to information leaks, file content tampering, and server crashes. Microsoft’s October Patch Tuesday updates addressed a critical-severity ...

How to configure the CORS middleware for minimal APIs and enable secure cross-origin resource sharing in your ASP.NET Core applications. ASP.NET Core offers a simplified hosting model, called minimal ...

To implement custom Authentication and Authorization in an ASP.NET Core MVC + Web API using .NET 9.0, you'll need to follow several steps. This example will demonstrate how to create a simple custom ...

This issue is a locked mirror of dotnet/aspnetcore#58598. See that issue for discussion. We'll be reshipping ASP.NET Core 2.1 as ASP.NET Core 2.3 and encourage ASP.NET Core 2.2 users to update to it.

The advice is common — and vague. Here’s how to do it properly. By Hilary Achauer When I began weight lifting in my late 30s, my coaches often gave me a somewhat baffling cue. “Engage your core,” they ...

Since its inception as an intriguing experiment in leveraging WebAssembly to enable dynamic web development with C#, Blazor has evolved into a mature, fully featured framework. Integral to the ASP.NET ...