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CVE-2026-39883— OpenTelemetry-Go has an incomplete fix for CVE-2026-24051: BSD kenv command not using absolute path enables PATH hijacking

Quick assessment

Affected
open-telemetry opentelemetry-go
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenTelemetry-Go是OpenTelemetry - CNCF开源的一个开发者工具包。 OpenTelemetry-Go 1.15.0至1.42.0版本存在代码问题漏洞，该漏洞源于路径劫持，可能导致命令执行。

CVSS 7.3 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1055.004 · Asynchronous Procedure Call

Affected Version Matrix 1

VendorProduct Version RangeStatus
open-telemetry opentelemetry-go >= 1.15.0, < 1.43.0 affected
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I. Basic Information for CVE-2026-39883

Vulnerability Information
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Vulnerability Title
OpenTelemetry-Go has an incomplete fix for CVE-2026-24051: BSD kenv command not using absolute path enables PATH hijacking
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
OpenTelemetry-Go 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenTelemetry-Go是OpenTelemetry - CNCF开源的一个开发者工具包。 OpenTelemetry-Go 1.15.0至1.42.0版本存在代码问题漏洞，该漏洞源于路径劫持，可能导致命令执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
open-telemetry opentelemetry-go >= 1.15.0, < 1.43.0 -

II. Public POCs for CVE-2026-39883

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 12040 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-39883

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Vendor Pages for CVE-2026-39883 (1)

IV. Related Vulnerabilities

Same product: opentelemetry-go
Same vendor: open-telemetry
Same weakness: CWE-426

V. Comments for CVE-2026-39883

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