HIGH

CVE-2026-59892

CVSS v3

7.5

HIGH

EPSS Score

0.8 %

exploit probability, as of 2026-10-17

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

@opentelemetry/propagator-jaegernpmall versions · fixed in 2.9.0

Vendor advisories

CVE-2026-59892 Red Hat Product Security2 products fixed · 1 known affected
@opentelemetry/propagator-jaeger: OpenTelemetry JavaScript: Denial of Service via malformed HTTP header decoding
ansible-automation-platform/bootc-automation-portal-rhel9 as a component of Self-service automation portal 2
RHSA-2026:52768 Red Hat Product Security1 product fixed
Red Hat Security Advisory: Red Hat Developer Hub 1.9.8 release.
RHSA-2026:49642 Red Hat Product Security1 product fixed
Red Hat Security Advisory: Red Hat Developer Hub 1.10.3 release.

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2026-07-08
Last Modified: 2026-07-08
GitHub Advisory: GHSA-45rx-2jwx-cxfr

Frequently asked questions

What is CVE-2026-59892?

Is CVE-2026-59892 actively exploited?

Active exploitation of CVE-2026-59892 has not been confirmed. Its EPSS score was 0.8% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-59892?

CVE-2026-59892 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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