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    CVE-2026-39883

    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.

    Published:Apr 8, 2026
    Last Modified:Sep 9, 2026
    EPS:Apr 8, 2026
    EPSS Score:0.00258
    CVSS Score:7

    Affected Products

    Vendor
    Opentelemetry
    Product
    Opentelemetry
    Vendor
    Opentelemetry
    Product
    Opentelemetry-go

    Exploits

    https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-hfvc-g4fc-pqhx

    Common Weakness Enumeration

    CWE-426 Untrusted Search Path

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-38 Leveraging/Manipulating Configuration File Search Paths

    Related CVEs

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    CVE-2026-41078 (CVSS 5.9) — OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger…
    CVE-2026-40894 (CVSS 5.3) — OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTele…
    CVE-2026-40891 (CVSS 5.3) — OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry o…
    CVE-2026-40182 (CVSS 5.3) — OpenTelemetry dotnet is a dotnet telemetry framework. From 1.13.1 to before 1.15.2, When exporting telemetry t…
    CVE-2026-39882 (CVSS 5.3) — OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to 1.43.0, the otlp HTTP exporters (traces/m…
    CVE-2026-29181 (CVSS 7.5) — OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.36.0 to 1.40.0, multi-value baggage: header…
    CVE-2026-24051 (CVSS 7) — OpenTelemetry-Go is the Go implementation of OpenTelemetry. The OpenTelemetry Go SDK in version v1.20.0-1.39.0…
    CVE-2024-36129 (CVSS 8.2) — The OpenTelemetry Collector offers a vendor-agnostic implementation on how to receive, process and export tele…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High