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Tag: opentelemetry

2 posts

2026-04-25 aspire opentelemetry security

Aspire 13.2.4 Patches CVE-2026-40894: Baggage Header DoS in OpenTelemetry .NET

Aspire 13.2.4 ships an OpenTelemetry bump for CVE-2026-40894, a Gen0 allocation amplification in baggage, B3, and Jaeger propagator parsing. Update OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators to 1.15.3 even if you are not on Aspire.

2026-04-12 aspnet-core dotnet-11 opentelemetry

ASP.NET Core 11 Ships Native OpenTelemetry Tracing: Drop the Extra NuGet Package

ASP.NET Core in .NET 11 Preview 2 adds OpenTelemetry semantic attributes directly to HTTP server activity, removing the need for OpenTelemetry.Instrumentation.AspNetCore.