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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 ...

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 ...

Anthropic is launching a new API that allows its Claude AI models to search across the web. Developers using it can build Claude-powered apps that deliver up-to-date info, the company said in a press ...

Website developers are unwittingly putting their companies at risk by incorporating publicly disclosed ASP.NET machine keys from code documentation and repositories into their applications, Microsoft ...

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, ...

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 ...

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 ...

Building an API with ASP.NET Core is only half the job. If your API is going to live more than one release cycle, you're going to need to version it. If you have other people building clients for it, ...

This library hosts ASP.NET Core web applications in the test process, making tests and the application under test easy to debug and allowing each of the tests to configure the web application ...