What is CVE-2026-59892?

CVE-2026-59892 is a high-severity vulnerability in Open-telemetry Opentelemetry-js, classified under CWE-248. CVSS score: 7.5/10. Published 2026-07-08.

How severe is CVE-2026-59892?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Open-telemetry Opentelemetry-js

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, all…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Open-telemetry Opentelemetry-js — versions < 2.9.0

Weakness classification (CWE)

CWE-248

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-59892?: CVE-2026-59892 is a high-severity vulnerability in Open-telemetry Opentelemetry-js, classified under CWE-248. CVSS score: 7.5/10. Published 2026-07-08.
How severe is CVE-2026-59892?: High severity. CVSS v3 base score is 7.5 out of 10.