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

🗓️ 12 May 2026 19:12:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Fixed OTLP disk retry path allowing blob injection on multi-user systems; fixed in 1.15.3.

Related
Affected
Refs
[
  {
    "vendor": "open-telemetry",
    "product": "opentelemetry-dotnet",
    "versions": [
      {
        "version": ">= 1.8.0, < 1.15.3",
        "status": "affected"
      }
    ]
  }
]

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