CVE-2026-40182: CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP Exporter

📰 Dev.to · CVE Reports

Learn about CVE-2026-40182, a vulnerability in OpenTelemetry .NET OTLP Exporter that can cause unbounded memory exhaustion denial of service, and how to mitigate it

intermediate Published 23 Apr 2026

Action Steps

Identify if your system is using the vulnerable OpenTelemetry .NET OTLP Exporter version
Update to the latest version of OpenTelemetry .NET OTLP Exporter to fix the vulnerability
Configure memory limits for the OTLP Exporter to prevent unbounded memory exhaustion
Monitor system memory usage to detect potential denial of service attacks
Apply security patches and updates regularly to prevent similar vulnerabilities

Who Needs to Know This

Developers and DevOps teams using OpenTelemetry .NET OTLP Exporter should be aware of this vulnerability and take steps to mitigate it, as it can cause service disruptions

Key Insight

💡 Unbounded memory exhaustion denial of service vulnerabilities can cause significant service disruptions, and regular updates and security patches are crucial to prevent them