What is CVE-2018-1000865?

CVE-2018-1000865 is a high-severity vulnerability in Jenkins Script Security, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2018-12-10.

How severe is CVE-2018-1000865?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Jenkins Script Security

CVE-2018-1000865

A sandbox bypass vulnerability exists in Script Security Plugin 1.47 and earlier in groovy-sandbox/src/main/java/org/kohsuke/groovy/sandbox/SandboxTransformer.java that allows attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM, if plugins using the Groovy sandbox are installed.

Vulnerability class: Privilege Escalation

Published 2018-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Jenkins Script Security
Red Hat Openshift Container Platform — versions 3.11

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

jenkins.io/security/advisory/2018-10-29/ (Vendor Advisory)
access.redhat.com/errata/RHBA-2019:0326 (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHBA-2019:0327 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000865?: CVE-2018-1000865 is a high-severity vulnerability in Jenkins Script Security, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2018-12-10.
How severe is CVE-2018-1000865?: High severity. CVSS v3 base score is 8.8 out of 10.