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CVE-2026-24051 open-telemetry CVE debrief

CVE-2026-24051 is a Path Hijacking (Untrusted Search Paths) vulnerability in the OpenTelemetry Go SDK, affecting versions v1.20.0-1.39.0 on macOS/Darwin systems. The vulnerability exists in the resource detection code in `sdk/resource/host_id.go`, which executes the `ioreg` system command using a search path. An attacker with the ability to locally modify the PATH environment variable can achieve Arbitrary Code Execution (ACE) within the context of the application. A fix was released with version v1.40.0.

Vendor
open-telemetry
Product
opentelemetry-go
CVSS
HIGH 7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-02-02
Original CVE updated
2026-06-15
Advisory published
2026-02-02
Advisory updated
2026-06-15

Who should care

Users of OpenTelemetry-Go, particularly those on macOS/Darwin systems, who have installed versions v1.20.0-1.39.0 should be aware of this vulnerability.

Technical summary

The OpenTelemetry Go SDK in version v1.20.0-1.39.0 is vulnerable to Path Hijacking (Untrusted Search Paths) on macOS/Darwin systems. The resource detection code in `sdk/resource/host_id.go` executes the `ioreg` system command using a search path. An attacker with the ability to locally modify the PATH environment variable can achieve Arbitrary Code Execution (ACE) within the context of the application.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to version v1.40.0 or later
  • Ensure that the PATH environment variable is properly secured and monitored

Evidence notes

The vulnerability was reported and fixed by the OpenTelemetry team. The fix was released with version v1.40.0.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-24051 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-24051

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-24051 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24051

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.