Missing authorization in Jenkins Script Security Plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-862.
Summary
Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier does not enforce a permission check in the method that controls the "Force the use of the sandbox globally in the system" setting, allowing attackers to disable it through Stapler data binding.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
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 2026-09-02
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-58198 Information disclosure in Jenkins Script Security PluginPriority LOW 20
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Developer Tools and Services | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84659
- 2026-10-03 Alias added: GHSA-fc8j-cp67-6ww3
- 2026-10-16 Affected versions changed · Red Hat
- 2026-10-16 CVSS score added · Red Hat
References
Advisory 1
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-2026-84659 · CVE Program
- CVE-2026-84659 · NVD
- FIRST EPSS
- GHSA-fc8j-cp67-6ww3 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-84659 · 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