How severe is CVE-2019-1003029?

CVE-2019-1003029 has a CVSS score of 9.9/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2019-1003029?

CVE-2019-1003029 affects the following packages: org.jenkins-ci.plugins:script-security (Maven). Ecosystems affected: Maven.

How do I fix CVE-2019-1003029?

Update org.jenkins-ci.plugins:script-security to version 1.54 or later. Run your dependency manager's update command and verify no transitive dependencies pin the vulnerable version. Use O3 Security's SCA scanner to confirm the fix is applied across your entire dependency tree.

Is CVE-2019-1003029 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2019-1003029, including 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2019-1003029?

CVE-2019-1003029 has an EPSS (Exploit Prediction Scoring System) score of 92.6%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2019-1003029 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2019-1003029 (Jenkins Script Security Plugin Sandbox Bypass Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-04-25. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-05-16. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

When was CVE-2019-1003029 published, and has it been updated?

CVE-2019-1003029 was published on March 8, 2019 and was last updated on March 15, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-04-25 — agencies required to remediate by 2022-05-16

☕ Maven

CVE-2019-1003029

CRITICAL

Sandbox bypass in Script Security Plugin

Also known asGHSA-xvxq-hq48-xphm

Published

Mar 8, 2019

Updated

Mar 15, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

4 known

EPSS Exploitation Probability

via FIRST.org ↗

92.6%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

☕org.jenkins-ci.plugins:script-security

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.53 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java, src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java that allows attackers with Overall/Read permission to execute arbitrary code on the Jenkins master JVM.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.jenkins-ci.plugins:script-security`	all versions	1.54

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin …

github.comMetasploitFeb 2021

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin …

github.comAPIMay 2019

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin …

cisa.govAPIApr 2022

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin …

cisa.govCISAApr 2022

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2019-1003029 in your stack?

O3 detects CVE-2019-1003029 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works