CVE-2026-59892

HighCVSS 7.5/10Last modified Oct 25, 2026

Description

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 percent-encoded value that throws an uncaught URIError and terminates a Node.js process using JaegerPropagator as the active propagator. This issue is fixed in version 2.9.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-248

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
open-telemetry	opentelemetry-js	< 2.9.0

References

Timeline

Published: Jul 8, 2026
Last modified: Oct 25, 2026
NVD status: Awaiting Analysis

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