Jenkins Script Security Plugin @Builder Annotation Bypass (CVE-2026-92126)
CVE-2026-92126 Published on September 16, 2026
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose builderStrategy member names an arbitrary class, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to execute code outside the sandbox if a suitable class is present on the classpath of the component that evaluates the script.
Vulnerability Analysis
CVE-2026-92126 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-92126 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-92126
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Affected Versions
Jenkins Project Jenkins Script Security Plugin:- Before and including 1415.v9a_f9b_3a_c253d is affected.