Vulnerability in Jenkins Script Security Plugin Disables Sandbox Protection
CVE-2026-84659

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Script Security Plugin
Vendor
CVE Published:
2 September 2026

What is CVE-2026-84659?

The Jenkins Script Security Plugin prior to version 1412.v7737b_3405f86 lacks adequate permission checks in the method that manages the global sandbox setting. This flaw enables unauthorized attackers to disable the sandbox protection capability, potentially allowing them to execute untrusted scripts without proper security restrictions. This vulnerability poses significant risks to the integrity and security of Jenkins installations.

Affected Version(s)

Jenkins Script Security Plugin 0 <= 1412.v7737b_3405f86

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECU...
vendor-advisory

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.