CVE-2026-59892: CWE-248: Uncaught Exception in open-telemetry opentelemetry-js
OpenTelemetry JavaScript versions prior to 2.9.0 contain a vulnerability in the @opentelemetry/propagator-jaeger module where malformed percent-encoded HTTP header values cause an uncaught URIError. This error can terminate a Node.js process using JaegerPropagator as the active propagator. The issue is fixed in version 2.9.0.
AI Analysis
Technical Summary
The vulnerability in open-telemetry's opentelemetry-js client affects versions before 2.9.0. The @opentelemetry/propagator-jaeger component decodes incoming uber-trace-id and uberctx-* HTTP headers using decodeURIComponent() without handling potential decode errors. An unauthenticated remote attacker can send a specially crafted malformed percent-encoded value that triggers an uncaught URIError exception, causing the Node.js process to terminate unexpectedly. This denial-of-service condition is resolved in version 2.9.0.
Potential Impact
An unauthenticated remote attacker can cause a denial-of-service by sending malformed HTTP headers that crash the Node.js process running opentelemetry-js with JaegerPropagator. There is no impact on confidentiality or integrity, but availability is affected due to process termination.
Mitigation Recommendations
Upgrade to version 2.9.0 or later of opentelemetry-js where this issue is fixed. Patch status is confirmed by the version fix noted in the description. No other mitigations are indicated.
CVE-2026-59892: CWE-248: Uncaught Exception in open-telemetry opentelemetry-js
Description
OpenTelemetry JavaScript versions prior to 2.9.0 contain a vulnerability in the @opentelemetry/propagator-jaeger module where malformed percent-encoded HTTP header values cause an uncaught URIError. This error can terminate a Node.js process using JaegerPropagator as the active propagator. The issue is fixed in version 2.9.0.
CVSS v3.1
Score 7.5high
Affected software
pkg:npm/@opentelemetry/propagator-jaegerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in open-telemetry's opentelemetry-js client affects versions before 2.9.0. The @opentelemetry/propagator-jaeger component decodes incoming uber-trace-id and uberctx-* HTTP headers using decodeURIComponent() without handling potential decode errors. An unauthenticated remote attacker can send a specially crafted malformed percent-encoded value that triggers an uncaught URIError exception, causing the Node.js process to terminate unexpectedly. This denial-of-service condition is resolved in version 2.9.0.
Potential Impact
An unauthenticated remote attacker can cause a denial-of-service by sending malformed HTTP headers that crash the Node.js process running opentelemetry-js with JaegerPropagator. There is no impact on confidentiality or integrity, but availability is affected due to process termination.
Mitigation Recommendations
Upgrade to version 2.9.0 or later of opentelemetry-js where this issue is fixed. Patch status is confirmed by the version fix noted in the description. No other mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-07-07T16:40:07.983Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4e7ad4c9d9e3dbe36a7d6d
Added to database: 07/08/2026, 16:29:08 UTC
Last enriched: 07/22/2026, 00:57:28 UTC
Last updated: 08/22/2026, 10:52:10 UTC
Views: 95
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.