CLEANSTART-2026-YW31790 opentelemetry-js is the OpenTelemetry JavaScript Client

CVE-2026-54285 affects multiple packages. opentelemetry-js is the OpenTelemetry JavaScript Client. See references for individual vulnerability details...

CVE-2026-54285

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were...

CVE-2026-54285: Allocation of Resources Without Limits or Throttling

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were...

CVE-2026-44902

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint default 0.0.0.0:9464 has no error handling around URL parsing, so a request with an invalid...

CVE-2026-44902: Improper Handling of Exceptional Conditions

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint default 0.0.0.0:9464 has no error handling around URL parsing, so a request with an invalid...