CVE-2026-59892

OpenTelemetry JavaScript is the OpenTelemetry JavaScript client. Prior to 2.9.0, @opentelemetry/propagator-jaeger decodes incoming uber-trace-id and uberctx- HTTP header values with decodeURIComponent without handling decode errors, allowing an unauthenticated remote attacker to send a malformed...

CVE-2026-59892

Summary: OpenTelemetry JavaScript’s JaegerPropagator (via @opentelemetry/propagator-jaeger) decodes uber-trace-id and uberctx-* headers with decodeURIComponent() without handling decode errors prior to 2.9.0, enabling an unauthenticated attacker to send a malformed percent-encoded value that resu...

CVE-2026-54285

Opentelemetry-js (OpenTelemetry JavaScript client) is affected by CVE-2026-54285 through the W3CBaggagePropagator.extract() path in @opentelemetry/core prior to 2.8.0, where inbound baggage headers were not capped and could trigger memory allocation proportional to header size. The issue is fixed...

CVE-2026-44902 opentelemetry-js: Prometheus exporter process crash via malformed HTTP request

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

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 opentelemetry-js: Prometheus exporter process crash via malformed HTTP request

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

creationtimestamp| type| source ---|---|--- 2026-05-06 15:40:57+00:00| published-proof-of-concept| https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3 2026-05-27 17:02:41+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mmtye5ufzl2t...