Microsoft.AspNetCore.Server.Kestrel.Core vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2025-55315CriticalMicrosoft.AspNetCore.App.Runtime.linux-arm: Microsoft Security Advisory CVE-2025-55315: .NET Security Feature Bypass Vulnerability CVE-2021-1723HighMicrosoft.AspNetCore.Server.Kestrel.Core: ASP.NET Core and Visual Studio Denial of Service Vulnerability CVE-2019-0564HighMicrosoft.AspNetCore.WebSockets: Denial of service in ASP.NET Core GHSA-CGPW-2GPH-2R9GMediumMicrosoft.AspNetCore.Server.Kestrel.Core: Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and…GHSA-3M2R-Q8X3-XMF7MediumMicrosoft.AspNetCore.Server.Kestrel.Core: Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core,…CVE-2018-0787HighMicrosoft.AspNetCore.HttpOverrides: ASP.NET Core allow an elevation of privilege

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