Master WS-Federation for enterprise SSO. Learn how Passive Requestor Profiles bridge legacy ASP.NET, SharePoint, and ADFS ...

Many things can go wrong with Windows updates on your PC, resulting in numerous errors. Error NET HELPMSG 3521 is an error users encounter when they update their ...

QNAP warned customers to patch a critical ASP.NET Core vulnerability that also impacts the company's NetBak PC Agent, a Windows utility for backing up data to a QNAP network-attached storage (NAS) ...

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 ...

ASP.NET Core offers a simplified hosting model, called minimal APIs, that allows us to build lightweight APIs with minimal dependencies. We’ve discussed minimal APIs in several earlier posts here.

Microsoft is warning of an insecure practice wherein software developers are incorporating publicly disclosed ASP.NET machine keys from publicly accessible resources, thereby putting their ...

In December 2024, Microsoft Threat Intelligence observed limited activity by an unattributed threat actor using a publicly available, static ASP.NET machine key to inject malicious code and deliver ...

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.