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medium advisory

OpenTelemetry Prometheus Exporter Denial-of-Service via Malformed HTTP Request (CVE-2026-44902)

A malformed HTTP request can crash any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint has no error handling around URL parsing, so a request with an invalid URI causes an uncaught `TypeError` that terminates the process, leading to a denial of service. Update `@opentelemetry/exporter-prometheus` and `@opentelemetry/sdk-node` to version **0.217.0** or later and `@opentelemetry/auto-instrumentations-node` to version **0.75.0** or later to remediate.

@opentelemetry/exporter-prometheus +2 denial-of-service otel prometheus CVE-2026-44902
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