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 ...

User context makes life easier when tracing Http requests in ASP.NET Core applications. It’s easy to add with custom middleware. When working with web applications, you will often want to keep watch ...

Microsoft warns that attackers are deploying malware in ViewState code injection attacks using static ASP. NET machine keys found online. As Microsoft Threat Intelligence experts recently discovered, ...

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 ...