CVE-2026-92126 Code injection in Jenkins Script Security Plugin
Attackers with script permissions can execute arbitrary code outside the sandbox via unsafe @Builder annotations in Jenkins.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92126?
CVE-2026-92126 is a high-severity code injection vulnerability in Jenkins Script Security Plugin, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-92126?
It affects 1 product.
Products include Jenkins Script Security.
How do I fix CVE-2026-92126?
No fix has been published for CVE-2026-92126 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-92126 being exploited?
There is no known exploitation of CVE-2026-92126 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Script Security Plugin
- CVE-2019-1003029 Jenkins Script Security Plugin Sandbox Bypass
- CVE-2022-43401 Sandbox bypass vulnerabilities in Jenkins Script Security Plugin and in Pipeline: Groovy Plugin
- CVE-2022-43403 Jenkins Script Security Plugin sandbox bypass vulnerability
- CVE-2022-43404 Sandbox bypass vulnerabilities in Jenkins Script Security Plugin and in Pipeline: Groovy Plugin
- CVE-2020-2279 Sandbox bypass vulnerability in Jenkins Script Security Plugin
Sources
Also known as GHSA-3xcj-rvrm-wg64.