CVE-2018-1000866

Name: CVE-2018-1000866
Creator: NVD / NIST
Published: 2018-12-10T14:29:01.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.64%

Last modified Jun 17, 2026

CVE-2018-1000866 is a vulnerability of currently unknown severity. A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.59 and earlier in groovy-sandbox/src/main/java/org/kohsuke/groovy/sandbox/SandboxTransformer.java, groovy-cps/lib/src/main/java/com/cloudbees/groovy/cps/SandboxCpsTransformer.java that allows attackers with Job/Configure permission, or unauthorized attackers with SCM commit privileges and corresponding pipelines based on Jenkinsfiles set up in Jenkins, to execute arbitrary code on the Jenkins master JVM. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.59 and earlier in groovy-sandbox/src/main/java/org/kohsuke/groovy/sandbox/SandboxTransformer.java, groovy-cps/lib/src/main/java/com/cloudbees/groovy/cps/SandboxCpsTransformer.java that allows attackers with Job/Configure permission, or unauthorized attackers with SCM commit privileges and corresponding pipelines based on Jenkinsfiles set up in Jenkins, to execute arbitrary code on the Jenkins master JVM

Metrics

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Jenkins	Pipeline\	<= 2.59
Redhat	Openshift Container Platform	3.11

References

https://access.redhat.com/errata/RHBA-2019:0326Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://jenkins.io/security/advisory/2018-10-29/#SECURITY-1186Vendor Advisory
https://access.redhat.com/errata/RHBA-2019:0326Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://jenkins.io/security/advisory/2018-10-29/#SECURITY-1186Vendor Advisory

Timeline

Published: Dec 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000866?

How severe is CVE-2018-1000866?

Severity scoring for CVE-2018-1000866 is pending analysis. The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000866?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000866?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST