CVE-2026-92127 Code injection in Jenkins Script Security Plugin

High 8.0 Published 16 Sep 2026 Updated 16 Sep 2026

Attackers with admin permissions can execute arbitrary code on the Jenkins controller by manipulating classpath entries during item configuration updates.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-92127?

CVE-2026-92127 is a high-severity code injection vulnerability in Jenkins Script Security Plugin, published on 16 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier automatically approves the classpath entries in an item configuration when a user with Overall/Administer permission copies the item, or updates that configuration through the REST API or CLI, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

Weakness: CWE-94

Which versions are affected by CVE-2026-92127?

It affects 1 product.

Products include Jenkins Script Security.

How do I fix CVE-2026-92127?

No fix has been published for CVE-2026-92127 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-2026-92127 being exploited?

There is no known exploitation of CVE-2026-92127 in the wild and no public exploit code.

Sources

Also known as GHSA-433w-6m38-6gf6.