CVE-2026-44213 OpenTelemetry.Exporter.Instana bypasses TLS certificate validation when a proxy is configured

The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, the OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using the...

GHSA-WFR5-454P-MJC2 OpenTelemetry.Exporter.Instana bypasses TLS certificate validation when a proxy is configured

Summary The OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using the INSTANAENDPOINTPROXY environment variable. If a network attacker can Man-in-the-Middle MitM the...