High (8.8). EPSS 98% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.plugins:script-security 1.50.
A sandbox bypass vulnerability exists in Script Security Plugin 1.49 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java that allows attackers with the ability to provide sandboxed scripts to execute arbitrary code on the Jenkins master JVM.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
98% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)