CVE-2026-42520: Jenkins Credentials Binding Plugin has a path traversal vulnerability

CVE-2026-42520 · Severity: high · CVSS 7.5 · Published 2026-04-29

Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zip file credentials, allowing attackers able to provide credentials to a job to write files to arbitrary locations on the node filesystem, which can lead to remote code execution if Jenkins is configured to allow a low-privileged user to configure file or zip file credentials used for a job running on the built-in node.

Technologies: org.jenkins-ci.plugins:credentials-binding (Maven). Vendors: Jenkins, Maven.

Quick answers

Is CVE-2026-42520 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-42520 being exploited in the wild.
How severe is CVE-2026-42520?
High severity, with a CVSS score of 7.5, published 29 April 2026.
Which products and versions are affected?
org.jenkins-ci.plugins:credentials-binding (Maven) ECOSYSTEM:introduced=0,fixed=720.v3f6decef43ea.
Is there a fix for CVE-2026-42520?
Yes. org.jenkins-ci.plugins:credentials-binding (Maven): upgrade to 720.v3f6decef43ea or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-42520?
Check whether you run Jenkins Credentials Binding or org.jenkins-ci.plugins:credentials-binding (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.jenkins-ci.plugins:credentials-binding (Maven): upgrade to 720.v3f6decef43ea or later
    # set org.jenkins-ci.plugins:credentials-binding to 720.v3f6decef43ea in your pom.xml or build.gradle

Affected products

  • Jenkins Credentials Binding
  • org.jenkins-ci.plugins:credentials-binding (Maven) ECOSYSTEM:introduced=0,fixed=720.v3f6decef43ea

Identifiers

  • CVE-2026-42520
  • GHSA-p2rf-wpxj-mx2g

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