CVE-2026-42191

OpenTelemetry.Exporter.OpenTelemetryProtocol is the OTLP OpenTelemetry Protocol exporter implementation. From 1.8.0 to 1.15.2, the OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but...

CVE-2026-42191 OpenTelemetry.Exporter.OpenTelemetryProtocol: Disk retry default temp path enables local blob injection for OTLP Exporter

OpenTelemetry.Exporter.OpenTelemetryProtocol is the OTLP OpenTelemetry Protocol exporter implementation. From 1.8.0 to 1.15.2, the OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but...

CVE-2026-42191 OpenTelemetry.Exporter.OpenTelemetryProtocol: Disk retry default temp path enables local blob injection for OTLP Exporter

OpenTelemetry.Exporter.OpenTelemetryProtocol is the OTLP OpenTelemetry Protocol exporter implementation. From 1.8.0 to 1.15.2, the OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but...

CVE-2026-42191

OpenTelemetry.Exporter.OpenTelemetryProtocol is the OTLP OpenTelemetry Protocol exporter implementation. From 1.8.0 to 1.15.2, the OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but...

CVE-2026-42191

OpenTelemetry.Exporter.OpenTelemetryProtocol (OTLP exporter) Vulnerability: from 1.8.0 through 1.15.2, when OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY=disk is used without OTEL_DOTNET_EXPERIMENTAL_OTLP_DISK_RETRY_DIRECTORY_PATH, the retry storage root is resolved with Path.GetTempPath(). The exporter st...

OpenTelemetry .NET Contrib 安全漏洞

OpenTelemetry .NET Contrib is an open-source telemetry data collection and processing library developed by OpenTelemetry - CNCF. Versions 1.8.0 to 1.15.2 of OpenTelemetry .NET Contrib contain security vulnerabilities. These vulnerabilities stem from the OTLP disk retry feature being reverted to a...

Creation of Temporary File in Directory with Insecure Permissions

Overview OpenTelemetry.Exporter.OpenTelemetryProtocol is an OTLP Exporter for OpenTelemetry .NET. Affected versions of this package are vulnerable to Creation of Temporary File in Directory with Insecure Permissions in the ExperimentalOptions used in handling disk retry storage for telemetry data...

OpenTelemetry's disk retry default temp path enables local blob injection via OTLP Exporter

Summary The OTLP disk retry feature in OpenTelemetry.Exporter.OpenTelemetryProtocol silently fell back to Path.GetTempPath when OTELDOTNETEXPERIMENTALOTLPRETRY=disk was set but OTELDOTNETEXPERIMENTALOTLPDISKRETRYDIRECTORYPATH was not configured. The exporter stored and loaded .blob files under...

PT-2026-36819

Name of the Vulnerable Software and Affected Versions OpenTelemetry.Exporter.OpenTelemetryProtocol versions 1.8.0 through 1.15.2 Description The OTLP disk retry feature silently falls back to Path.GetTempPath when OTEL DOTNET EXPERIMENTAL OTLP RETRY is set to disk but OTEL DOTNET EXPERIMENTAL OTL...