GHSA-Q834-8QMM-V933 OpenTelemetry dotnet: OTLP exporter reads unbounded HTTP response bodies

Summary When exporting telemetry to a back-end/collector over gRPC or HTTP using OpenTelemetry Protocol format OTLP, if the request results in a unsuccessful request i.e. HTTP 4xx or 5xx, the response is read into memory with no upper-bound on the number of bytes consumed. This could cause memory...

CVE-2026-40182

OpenTelemetry dotnet OTLP exporter (versions 1.13.1–1.15.1) is affected. When exporting via gRPC/HTTP and the response status is 4xx/5xx, the client reads the entire HTTP response body into memory without an upper bound. This can cause memory exhaustion in the consuming application if the back-en...