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CVE-2026-39883

HIGH CVSS 4.0: 7.3 EPSS 0.01%
Updated Apr 10, 2026
Opentelemetry
Parameter Value
CVSS 7.3 (HIGH)
Affected Versions 1.15.0 — 1.43.0
Fixed In 1.43.0
Type CWE-426
Vendor Opentelemetry
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Opentelemetry Opentelemetry
cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:go:*:*
1.15.0 1.43.0

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