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Breaking change doc: NuGet audit sources no longer allow insecure HTTP by default#55113
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[WIP] Fix NuGet audit sources to require secure http connections
Breaking change doc: NuGet audit sources no longer allow insecure HTTP by default
Jul 29, 2026
gewarren
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Jul 29, 2026
Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com>
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July 29, 2026 03:21
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July 29, 2026 03:21
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Starting in .NET 10.0.400 SDK, NuGet raises error NU1302 when an
auditSourcein nuget.config useshttp://withoutallowInsecureConnections="true". This aligns audit sources with the existing behavior for package sources.Changes
docs/core/compatibility/sdk/10.0/nuget-audit-source-http-disallowed.md— covers previous/new behavior, reason, and two remediation paths:https://api.nuget.org/v3/index.json)allowInsecureConnections="true"on the source if HTTPS isn't yet availabletoc.yml— added entry under SDK and MSBuild for .NET 1010.md— added row to the SDK and MSBuild breaking changes tableInternal previews