Is NSubstitute safe to use?

NSubstitute has no known vulnerabilities on the latest version (6.0.0-rc.1). DepScope rates its health at 78/100 (moderate risk).

What is the latest version of NSubstitute?

The latest version of NSubstitute is 6.0.0-rc.1, released 2026-03-15.

Does NSubstitute have known vulnerabilities?

No known vulnerabilities on the latest version of NSubstitute.

Is NSubstitute deprecated?

No, NSubstitute is actively maintained. Latest release: 6.0.0-rc.1 (2026-03-15).

What are alternatives to NSubstitute?

DepScope has no curated alternatives for NSubstitute at this time.

What license does NSubstitute use?

NSubstitute is licensed under BSD-3-Clause.

NSubstitute

nugetv6.0.0-rc.1

NSubstitute is a friendly substitute for .NET mocking libraries. It has a simple, succinct syntax to help developers write clearer tests. NSubstitute is designed for Arrange-Act-Assert (AAA) testing and with Test Driven Development (TDD) in mind.

License BSD-3-Clausepermissive48 versions4 maintainers1 deps1,257,876 weekly dl

https://nsubstitute.github.io/

/ 100

Health

safe to use

[email protected] is safe to use (health: 78/100)

Health breakdown0 – 100

20/25

maintenance

17/20

popularity

25/25

security

12/15

maturity

4/15

community

Vulnerabilities

none known

Health History

Dependency Tree

License Audit

Dependencies (1)

Castle.Core

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/nuget/NSubstitute

Last updated · 2026-03-15T09:27:27.32+00:00