{"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":0.17759,"ingestedAt":"2026-07-10T13:03:45.553Z","slug":"CVE-2026-39883","body":"## Overview\n\nOpenTelemetry-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.\n\n## Affected\n\n- `opentelemetry >= 1.15.0, < 1.43.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `opentelemetry 1.43.0`\n\n## Vendor advisories\n\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}