CVE-2026-57281

[CVE catalog]

Severity

High · CVSS 8.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Published

Jun 24, 2026, 1:20:04 PM UTC

Source

[NVD] · [CVE record]

EPSS

0.92% · Oct 25, 2026

A flaw was found in the Jenkins Script Security Plugin. Attackers with the ability to run sandboxed Groovy scripts can exploit this vulnerability to execute arbitrary code outside the sandbox environment. This is due to the plugin's failure to reject Groovy Abstract Syntax Tree (AST) transformation annotations that include an extensions member, allowing unauthorized script execution if a suitable script exists on the classpath. jenkins-script-security-plugin: Jenkins Script Security Plugin: Arbitrary code execution outside sandbox This flaw has an Important impact as the Jenkins Script Security Plugin shipped in Red Hat OpenShift Container Platform is susceptible to a sandbox bypass. An authenticated attacker with the ability to run sandboxed Groovy scripts can exploit improperly handled AST transformation annotations to execute arbitrary code outside the sandbox on the Jenkins controller. Exploitation requires a suitable script to be present on the classpath, increasing attack complexity. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.