Vulnerability in Jenkins Project Script Security Plugin

CVE-2026-92123

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not intercept operations performed on a null receiver (method calls, property and attribute accesses, and array accesses), allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92123?
CVE-2026-92123 is a high-severity vulnerability in Jenkins Project Script Security Plugin, classified under Protection Mechanism Failure. CVSS score: 8.8/10. Published 2026-09-16.
How severe is CVE-2026-92123?
High severity. CVSS v3 base score is 8.8 out of 10.