CVE-2026-120006 · Runtime
NO FIX YET
.NET Aspire, Microsoft's framework for building distributed .NET apps, inserts sensitive information into data it sends. A local attacker with an existing account can use that exposed information to gain higher privileges.
first public Nov 10, 2026 · 1 source
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The sources describe a local attack by an authorized user, and do not name the affected Aspire versions or the specific data path. Teams that run .NET Aspire on developer machines or shared hosts should check their installed version. unknown for which configurations are exposed.
Not affected if no-aspire-usage
Who cares aspire, dotnet, windows
Aspire.Hosting in your .csproj or Directory.Packages.propsdotnet list packageNo fix yet, per the sources.
Insertion of sensitive information into sent data in .NET Aspire allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
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