ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

Latest version: 2.2.0 registry icon
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Version Suggest Low Medium High Critical
2.2.0 0 0 0 0 0
2.1.25 0 0 0 0 0
2.1.7 0 0 0 1 0
2.1.3 0 0 0 2 0
2.1.2 0 0 0 2 0
2.1.1 0 0 1 2 0
2.1.0 0 0 1 2 0
2.0.4 0 0 0 1 0
2.0.3 0 0 1 1 0
2.0.2 0 0 2 1 0
2.0.1 0 0 2 2 0
2.0.0 0 0 2 2 0

Latest release:

2.2.0 - This version is safe to use because it has no known security vulnerabilities at this time. Find out if your coding project uses this component and get notified of any reported security vulnerabilities with Meterian-X Open Source Security Platform


Maintain your licence declarations and avoid unwanted licences to protect your IP the way you intended.

MIT   -   MIT License

Not a wildcard

Not proprietary

OSI Compliant


.NET Foundation MIT License Help Wanted Good First Issues Discord

ASP.NET Core is an open-source and cross-platform framework for building modern cloud-based internet-connected applications, such as web apps, IoT apps, and mobile backends. ASP.NET Core apps run on .NET, a free, cross-platform, and open-source application runtime. It was architected to provide an optimized development framework for apps that are deployed to the cloud or run on-premises. It consists of modular components with minimal overhead, so you retain flexibility while constructing your solutions. You can develop and run your ASP.NET Core apps cross-platform on Windows, Mac, and Linux. Learn more about ASP.NET Core.

Get started

Follow the Getting Started instructions.

Also check out the .NET Homepage for released versions of .NET, getting started guides, and learning resources.

See the Triage Process document for more information on how we handle incoming issues.

How to engage, contribute, and give feedback

Some of the best ways to contribute are to try things out, file issues, join in design conversations, and make pull-requests.

Reporting security issues and bugs

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the Security TechCenter.

These are some other repos for related projects:

Code of conduct