NuGet Source Mapping Closes a Dependency Confusion Gap
NuGet Source Mapping Closes a Dependency Confusion Gap Package restore is a security decision made thousands of times in a large .NET build. NuGet normally searches every configured source for a package. If a public feed and a private feed can both supply the same package ID, the result depends on source order and content rather than an explicit policy. Package Source Mapping lets a project state…
NuGet Source Mapping is a new feature designed to address the dependency confusion gap in large .NET builds. By enabling this feature, NuGet now filters configured sources per package during restore, install, and update, ensuring that package selection is based on explicit policies rather than source order and content. This security control helps protect against supply-chain attacks that could exploit the ambiguity created when public and private feeds both supply the same package ID.
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