Critical (9.8) in jenkins script security. EPSS 48% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.plugins:script-security 1336.vf33a.
A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows 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.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
48% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)