Protection mechanism failure in Jenkins Script Security Plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 11 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-693 and CWE-917.
Summary
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script is present on the classpath of the component that evaluates the script.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins Script Security Plugin | up to 1402.v94c9ce464861 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:script-security (Maven) | before 1402.1405.vc96e74964250 | 1402.1405.vc96e74964250 | Patch available | GHSA-cfj9-2vgr-hpxp |
- Jenkins Script Security Plugin VendorJenkins Affected up to 1402.v94c9ce464861 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:script-security (Maven) Vendor— Affected before 1402.1405.vc96e74964250 Fixed in 1402.1405.vc96e74964250 Patch available GHSA-cfj9-2vgr-hpxp
Remediation
- Fix · GHSA-cfj9-2vgr-hpxp org.jenkins-ci.plugins:script-security (Maven) Fixed in 1402.1405.vc96e74964250 Advisory →
Red Hat 11 advisories
- RHSA-2026:60259 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.20 security update.
- OpenShift Developer Tools and Services 4.20 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60256 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.22 security update.
- OpenShift Developer Tools and Services 4.22 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60254 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.21 security update.
- OpenShift Developer Tools and Services 4.21 registry.redhat.io/ocp-tools-4/jenkins-rhel9
Show 8 more Red Hat advisories
- RHSA-2026:60252 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.19 security update.
- OpenShift Developer Tools and Services 4.19 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60251 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.16 security update.
- OpenShift Developer Tools and Services 4.16 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60250 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.18 security update.
- OpenShift Developer Tools and Services 4.18 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60249 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.13 security update.
- OpenShift Developer Tools and Services 4.13 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:60248 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.14 security update.
- OpenShift Developer Tools and Services 4.14 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:60247 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.12 security update.
- OpenShift Developer Tools and Services 4.12 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:60246 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.17 security update.
- OpenShift Developer Tools and Services 4.17 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:60239 Released 2026-08-26 · Red Hat rating ImportantRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.15 security update.
- OpenShift Developer Tools and Services 4.15 registry.redhat.io/ocp-tools-4/jenkins-rhel8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Jenkins Script Security Plugin — Jenkins Security Advisory 2026-06-24
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-41217 Protection mechanism failure in Jenkins Script Security PluginPriority MEDIUM 41
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Developer Tools and Services | Affected | No fix yet |
| OpenShift Developer Tools and Services 4.12 | Fixed | RHSA-2026:60247 |
| OpenShift Developer Tools and Services 4.13 | Fixed | RHSA-2026:60249 |
| OpenShift Developer Tools and Services 4.14 | Fixed | RHSA-2026:60248 |
| OpenShift Developer Tools and Services 4.15 | Fixed | RHSA-2026:60239 |
| OpenShift Developer Tools and Services 4.16 | Fixed | RHSA-2026:60251 |
| OpenShift Developer Tools and Services 4.17 | Fixed | RHSA-2026:60246 |
| OpenShift Developer Tools and Services 4.18 | Fixed | RHSA-2026:60250 |
| OpenShift Developer Tools and Services 4.19 | Fixed | RHSA-2026:60252 |
| OpenShift Developer Tools and Services 4.20 | Fixed | RHSA-2026:60259 |
| OpenShift Developer Tools and Services 4.21 | Fixed | RHSA-2026:60254 |
| OpenShift Developer Tools and Services 4.22 | Fixed | RHSA-2026:60256 |
Not affected: 11 products
- OpenShift Developer Tools and Services 4.12
- OpenShift Developer Tools and Services 4.13
- OpenShift Developer Tools and Services 4.14
- OpenShift Developer Tools and Services 4.15
- OpenShift Developer Tools and Services 4.16
- OpenShift Developer Tools and Services 4.17
- OpenShift Developer Tools and Services 4.18
- OpenShift Developer Tools and Services 4.19
- OpenShift Developer Tools and Services 4.20
- OpenShift Developer Tools and Services 4.21
- OpenShift Developer Tools and Services 4.22
Timeline
- 2026-10-02 Threatist record created from CVE-2026-57281
- 2026-10-03 Alias added: GHSA-cfj9-2vgr-hpxp
References
Other 17
- https://github.com/jenkinsci/script-security-plugin/commit/c96e7496425031182b6fc11ef1c55b9ae4fa7cc2
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57281.json
- https://github.com/jenkinsci/script-security-plugin/releases/tag/1402.1405.vc96e74964250
- https://github.com/jenkinsci/script-security-plugin
- https://bugzilla.redhat.com/show_bug.cgi?id=2492200
- https://access.redhat.com/security/cve/CVE-2026-57281
- https://access.redhat.com/errata/RHSA-2026:60259
- https://access.redhat.com/errata/RHSA-2026:60256
- https://access.redhat.com/errata/RHSA-2026:60254
- https://access.redhat.com/errata/RHSA-2026:60252
- https://access.redhat.com/errata/RHSA-2026:60251
- https://access.redhat.com/errata/RHSA-2026:60250
- https://access.redhat.com/errata/RHSA-2026:60249
- https://access.redhat.com/errata/RHSA-2026:60248
- https://access.redhat.com/errata/RHSA-2026:60247
- https://access.redhat.com/errata/RHSA-2026:60246
- https://access.redhat.com/errata/RHSA-2026:60239
More Jenkins Script Security vulnerabilities
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15845 Protection mechanism failure in Jenkins Script Security Plugin CVSS 3.1HIGH 8.8
- TI-2024-22597 Protection mechanism failure in Jenkins Script Security Plugin CVSS 3.1CRITICAL 9.8
- TI-2019-15850 Protection mechanism failure in Jenkins Script Security Plugin CVSS 3.1HIGH 8.8
- TI-2019-15885 A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.55 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2019-07740 Code injection in Jenkins Script Security Plugin CVSS 3.1CRITICAL 9.9
Sources
- CVE-2026-57281 · CVE Program
- CVE-2026-57281 · NVD
- FIRST EPSS
- GHSA-cfj9-2vgr-hpxp · GitHub Advisory Database · CC BY 4.0
- CVE-2026-57281 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences