---
id: CVE-2026-39883
title: OpenTelemetry-Go is the Go implementation of OpenTelemetry
summary: >-
  OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to
  1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an
  absolute path but left the BSD kenv command using a bare name, allowing the
  same PAT…
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-426
vendor: opentelemetry
product: opentelemetry
affected:
  - 'opentelemetry >= 1.15.0, < 1.43.0'
patched:
  - opentelemetry 1.43.0
published: '2026-04-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T13:19:48.837'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-39883'
references:
  - url: 'http://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.43.0'
    label: security-advisories@github.com
  - url: >-
      https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-hfvc-g4fc-pqhx
    label: security-advisories@github.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:26254'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:26257'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:37387'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:54274'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:54286'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:63140'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2026-39883'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2456718'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39883.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-39883'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-39883'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-10T20:52:34.310842Z'
scores:
  nvd: 7
  cna: 7.3
  vendor: 8.8
epss: 0.00258
epssPercentile: 0.17788
ingestedAt: '2026-07-10T13:03:45.553Z'
---

## Overview

OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to 1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on BSD and Solaris platforms. This vulnerability is fixed in 1.43.0.

## Affected

- `opentelemetry >= 1.15.0, < 1.43.0`

## Remediation

Upgrade past the affected range:

- `opentelemetry 1.43.0`

## Vendor advisories

- **RHSA-2026:63140** · Red Hat · fixed in: Cert Manager support for Red Hat OpenShift release 1.19 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:63140)
- **RHSA-2026:54286** · Red Hat · fixed in: Red Hat OpenShift Workload Availability 0.3 · released 2026-08-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:54286)
- **RHSA-2026:54274** · Red Hat · fixed in: Red Hat OpenShift Workload Availability 0.8 · released 2026-08-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:54274)
- **RHSA-2026:37387** · Red Hat · fixed in: Red Hat Openshift Data Foundation 4.22 · released 2026-07-09 · [advisory](https://access.redhat.com/errata/RHSA-2026:37387)
- **RHSA-2026:26257** · Red Hat · fixed in: multicluster engine for Kubernetes 2.8 · released 2026-06-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:26257)
- **RHSA-2026:26254** · Red Hat · fixed in: multicluster engine for Kubernetes 2.8 · released 2026-06-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:26254)
