CVE-2026-39883 Vulnerability Analysis & Exploit Details

CVE-2026-39883
Vulnerability Scoring

7.0
/10
High Risk

If left unpatched, CVE-2026-39883 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-39883 Details

Status: Modified

Last updated: 🕛 10 Jul 2026, 12:16 UTC
Originally published on: 🕘 08 Apr 2026, 21:17 UTC

Time between publication and last update: 92 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2026-39883 Vulnerability Summary

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.

Assessing the Risk of CVE-2026-39883

Access Complexity Graph

The exploitability of CVE-2026-39883 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-39883

This vulnerability, CVE-2026-39883, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-39883, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-39883, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-39883 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-39883 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-39883 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-39883 References

External References

CWE Common Weakness Enumeration

CWE-426

CAPEC Common Attack Pattern Enumeration and Classification

  • Leveraging/Manipulating Configuration File Search Paths CAPEC-38 This pattern of attack sees an adversary load a malicious resource into a program's standard path so that when a known command is executed then the system instead executes the malicious component. The adversary can either modify the search path a program uses, like a PATH variable or classpath, or they can manipulate resources on the path to point to their malicious components. J2EE applications and other component based applications that are built from multiple binaries can have very long list of dependencies to execute. If one of these libraries and/or references is controllable by the attacker then application controls can be circumvented by the attacker.

Vulnerable Configurations

  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:.net:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:.net:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:rc.1:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:rc.1:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:rc.2:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.0:rc.2:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.1:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.1:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.1:*:*:*:*:.net:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.1:*:*:*:*:.net:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.2:*:*:*:*:.net:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.2:*:*:*:*:.net:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.15.3:*:*:*:*:.net:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.15.3:*:*:*:*:.net:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:rc.1:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.16.0:rc.1:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.16.1:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.16.1:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.17.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.17.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.17.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.17.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.18.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.18.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.18.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.18.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:rc.1:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.19.0:rc.1:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.20.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.20.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.20.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.20.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.21.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.21.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.21.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.21.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.22.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.22.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.22.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.22.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:rc.1:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.23.0:rc.1:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.23.1:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.23.1:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.24.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.24.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.24.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.24.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.25.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.25.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.25.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.25.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.26.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.26.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.26.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.26.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.27.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.27.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.27.0:*:*:*:*:c\+\+:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.27.0:*:*:*:*:c\+\+:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.28.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.28.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.29.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.29.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.30.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.30.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.31.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.31.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.32.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.32.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.33.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.33.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.34.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.34.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.35.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.35.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.36.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.36.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.37.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.37.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.38.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.38.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.39.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.39.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.40.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.40.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.41.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.41.0:*:*:*:*:go:*:*
  • cpe:2.3:a:opentelemetry:opentelemetry:1.42.0:*:*:*:*:go:*:*
    cpe:2.3:a:opentelemetry:opentelemetry:1.42.0:*:*:*:*:go:*:*

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