CVE-2026-39883

HIGH

OpenTelemetry-Go has an incomplete fix for CVE-2026-24051: BSD kenv command not using absolute path enables PATH hijacking

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 7.0
EPSS 0.0001
EPSS Percentile 0.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-426
Status published
Products (3)
open-telemetry/opentelemetry-go >= 1.15.0, < 1.43.0
opentelemetry/opentelemetry 1.15.0 - 1.43.0
otel/sdk 1.15.0 - 1.43.0Go
Published Apr 08, 2026
Tracked Since Apr 09, 2026