diff --git a/docs/core/tools/custom-templates.md b/docs/core/tools/custom-templates.md
index 1e416e93a8182..cb4988c0319e9 100644
--- a/docs/core/tools/custom-templates.md
+++ b/docs/core/tools/custom-templates.md
@@ -230,6 +230,9 @@ project_folder
 
 Use the [dotnet new install](dotnet-new-install.md) command to install a template package.
 
+> [!WARNING]
+> Templates can run MSBuild code when triggered, don't install or run untrusted .NET templates.
+
 ### To install a template package from a NuGet package stored at nuget.org
 
 Use the NuGet package identifier to install a template package.
diff --git a/docs/core/tools/dotnet-new-install.md b/docs/core/tools/dotnet-new-install.md
index bcdea99c306d2..604c0d7896a37 100644
--- a/docs/core/tools/dotnet-new-install.md
+++ b/docs/core/tools/dotnet-new-install.md
@@ -42,6 +42,9 @@ Starting with .NET SDK 6.0.100, installed template packages are available in lat
 >   dotnet new --install Microsoft.Azure.WebJobs.ProjectTemplates
 >   ```
 
+> [!WARNING]
+> Templates can run MSBuild code when triggered, don't install or run untrusted .NET templates.
+
 ## Arguments
 
 - **`<PATH|NUGET_ID>`**