CVE-2026-42519

Published Apr 29, 2026
·
Updated

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.

Affected Software

2 affected components
Jenkins Script Security Plugin<=1399.ve6a_66547f6e1
Jenkins Script Security Jenkins<=1399.ve6a_66547f6e1

Event History

Apr 29, 2026
CVE Published
via MITRE·01:31 PM
Data Sourced
via MITRE·01:31 PM
Description
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-42519?

CVE-2026-42519 is classified as a medium severity vulnerability.

2

How do I fix CVE-2026-42519?

To fix CVE-2026-42519, upgrade to Jenkins Script Security Plugin version 1400 or later.

3

What impact does CVE-2026-42519 have on Jenkins installations?

CVE-2026-42519 allows attackers with Overall/Read permission to enumerate pending and approved Script Security classpaths.

4

Who is affected by CVE-2026-42519?

Any Jenkins installation using Script Security Plugin version 1399.ve6a_66547f6e1 or earlier is affected by CVE-2026-42519.

5

What should I do if I cannot upgrade to fix CVE-2026-42519?

If you cannot upgrade, consider restricting access to Overall/Read permissions to mitigate the impact of CVE-2026-42519.

Contact

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