# Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) vulnerabilities Source: https://junglewise.ai/threats/technologies/microsoft-aspnetcore-server-kestrel-core Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 19 October 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/microsoft-aspnetcore-server-kestrel-core.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in Microsoft.AspNetCore.Server.Kestrel.Core (NuGet): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-55315, was published on 14 October 2025. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 6 (0 critical, 0 exploited in the wild) ## About Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) .NET core HTTP server component providing request processing for Kestrel web server. ## Latest Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) vulnerabilities - [CVE-2025-55315: Microsoft Security Advisory : .NET Security Feature Bypass Vulnerability](https://junglewise.ai/threats/cve-2025-55315-microsoft-security-advisory-net-security-feature-bypass) (low, CVSS 3.1, published 14 Oct 2025) - [CVE-2021-1723: ASP.NET Core and Visual Studio Denial of Service Vulnerability](https://junglewise.ai/threats/cve-2021-1723-asp-net-core-and-visual-studio-denial-of-service-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-0564: Denial of service in ASP.NET Core](https://junglewise.ai/threats/cve-2019-0564-denial-of-service-in-asp-net-core) (low, CVSS 3, published 14 May 2022) - [Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and…](https://junglewise.ai/threats/moderate-severity-vulnerability-that-affects-microsoft-aspnetcore-all-3beef2c2) (info, published 16 Oct 2018) - [Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core…](https://junglewise.ai/threats/moderate-severity-vulnerability-that-affects-microsoft-aspnetcore-all-833f4e88) (info, published 16 Oct 2018) - [CVE-2018-0787: ASP.NET Core allow an elevation of privilege](https://junglewise.ai/threats/cve-2018-0787-asp-net-core-allow-an-elevation-of-privilege) (low, CVSS 3, published 16 Oct 2018) ## Most severe Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) vulnerabilities - [CVE-2025-55315: Microsoft Security Advisory : .NET Security Feature Bypass Vulnerability](https://junglewise.ai/threats/cve-2025-55315-microsoft-security-advisory-net-security-feature-bypass) (low, CVSS 3.1, published 14 Oct 2025) - [CVE-2021-1723: ASP.NET Core and Visual Studio Denial of Service Vulnerability](https://junglewise.ai/threats/cve-2021-1723-asp-net-core-and-visual-studio-denial-of-service-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2018-0787: ASP.NET Core allow an elevation of privilege](https://junglewise.ai/threats/cve-2018-0787-asp-net-core-allow-an-elevation-of-privilege) (low, CVSS 3, published 16 Oct 2018) - [CVE-2019-0564: Denial of service in ASP.NET Core](https://junglewise.ai/threats/cve-2019-0564-denial-of-service-in-asp-net-core) (low, CVSS 3, published 14 May 2022) - [Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and…](https://junglewise.ai/threats/moderate-severity-vulnerability-that-affects-microsoft-aspnetcore-all-3beef2c2) (info, published 16 Oct 2018) - [Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core…](https://junglewise.ai/threats/moderate-severity-vulnerability-that-affects-microsoft-aspnetcore-all-833f4e88) (info, published 16 Oct 2018) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 27 Jul 2026 | 0 | 0 | 0 | | 3 Aug 2026 | 0 | 0 | 0 | | 10 Aug 2026 | 0 | 0 | 0 | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | ## Other NuGet technologies - [Microsoft.ChakraCore (NuGet)](https://junglewise.ai/threats/technologies/microsoft-chakracore): 247 vulnerabilities - [Magick.NET-Q16-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-anycpu): 165 vulnerabilities - [Magick.NET-Q16-HDRI-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-anycpu): 161 vulnerabilities - [Magick.NET-Q8-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-anycpu): 161 vulnerabilities - [Magick.NET-Q16-HDRI-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x86): 159 vulnerabilities - [Magick.NET-Q16-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-x86): 158 vulnerabilities - [Magick.NET-Q8-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-x86): 158 vulnerabilities - [Magick.NET-Q16-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-arm64): 156 vulnerabilities - [Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-openmp-arm64): 156 vulnerabilities - [Magick.NET-Q16-HDRI-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x64): 156 vulnerabilities - [Magick.NET-Q16-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-arm64): 156 vulnerabilities - [Magick.NET-Q16-OpenMP-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-x64): 156 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) vulnerabilities", https://junglewise.ai/threats/technologies/microsoft-aspnetcore-server-kestrel-core, 19 October 2026.