This alternative to Internet Information Services, which Microsoft uses for its own services, delivers modern dynamic web applications on common server platforms or in containers. Microsoft’s Internet ...

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 ...

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 enables HTTP request smuggling in ASP.NET Core’s Kestrel web server Attackers can bypass controls, access credentials, alter files, or crash the server Microsoft released updates for ...