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CVE-2026-44213

OpenTelemetry.Exporter.Instana bypasses TLS certificate validation when a proxy is configured PUBLISHED

Description (CNA)

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 INSTANA_ENDPOINT_PROXY environment variable. If a network attacker can Man-in-the-Middle (MitM) the proxy connection, all OpenTelemetry telemetry data and the Instana API key are exposed to the attacker. This vulnerability is fixed in 1.1.0.

Affected (CNA)

Vendor / productVersions
open-telemetry / opentelemetry-dotnet-contribaffected < 1.1.0

CWE

CWE-295

References

ADP enrichment

CISA-ADP

No English description supplied.