CVE-2026-42519 (Medium) detected in script-security-1373.vb_b_4a_a_c26fa_00.jar

[mend-for-github-com]

CVE-2026-42519 - Medium Severity Vulnerability

Vulnerable Library - script-security-1373.vb_b_4a_a_c26fa_00.jar

The Jenkins Plugins Parent POM Project

Library home page: https://github.com/jenkinsci/script-security-plugin

Path to dependency file: /build.gradle

Path to vulnerable library: /tmp/containerbase/cache/.gradle/caches/modules-2/files-2.1/org.jenkins-ci.plugins/script-security/1373.vb_b_4a_a_c26fa_00/17456b7673d59c2f821c997451a787c9359bba4e/script-security-1373.vb_b_4a_a_c26fa_00.jar

Dependency Hierarchy:

• ❌ script-security-1373.vb_b_4a_a_c26fa_00.jar (Vulnerable Library)

Found in base branch: main

Vulnerability Details

A missing permission check in Jenkins Script Security Plugin 1399.ve6a_66547f6e1 and earlier allows attackers with Overall/Read permission to enumerate pending and approved Script Security classpaths.

Publish Date: 2026-04-29

URL: CVE-2026-42519

CVSS 3 Score Details (4.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3662

Release Date: 2026-04-29

Fix Resolution: 1402.v94c9ce464861

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⛑️ Automatic Remediation will be attempted for this issue.