Description
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins project | Jenkins Script Security Plugin | 1.67 and earlier | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 4 | jenkins-2-plugins | 4.3.1597915133-1.el7 | RHSA-2020:3616, RHSA-2020:2737 |
| Red Hat OpenShift 3 | jenkins-2-plugins | 3.11.1591354111-1.el7 | RHSA-2020:2478 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jenkins-ci.plugins:script-security | < 1.68 | 1.68 | GHSA-62pm-mgrh-7p69 |
Advisories 3
- RHSA-2020:2478 Red Hat Security Advisory: OpenShift Container Platform 3.11 jenkins-2-plugins security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:3616 Red Hat Security Advisory: OpenShift Container Platform 4.3.35 jenkins-2-plugins security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2020:2737 Red Hat Security Advisory: OpenShift Container Platform 4.4.z jenkins-2-plugins security update Red Hat Security Advisories (RHSA) · Nov 22, 2025