VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: unknown
Jenkins Matrix Project Plugin

CVE-2019-1003030: Jenkins Matrix Project Plugin Remote Code Execution Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 1,113 days after the CVE record was published.

How likely is exploitation in the next 30 days?
97.1%

EPSS score, percentile 99.9 of all scored records

How severe?
9.9 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline . Apply updates per vendor instructions.

Advisories and patches (1)

Which versions are affected?

Affected

  • 2.63 and earlier

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: .

Advisories and patches

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

Jenkins project Jenkins Pipeline: Groovy Plugin
StatusVersions
Affected2.63 and earlier

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

Jenkins Matrix Project plugin contains a vulnerability which can allow users to escape the sandbox, opening opportunity to perform remote code execution.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2019-1003030 to its Known Exploited Vulnerabilities (KEV) catalog on 25 Mar 2022.
  • CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
  • The due date CISA sets for the required action is 15 Apr 2022.
  • The CVE record was published on 8 Mar 2019, 1,113 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 9.9 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 97.1% (percentile 99.9), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShell.java that allows attackers able to control pipeline scripts to execute arbitrary code on the Jenkins master JVM.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-693: Protection Mechanism Failure

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

References

More exploited Jenkins vulnerabilities

  • CVE-2017-1000353: Jenkins Remote Code Execution Vulnerability (added )
  • CVE-2024-23897: Jenkins Command Line Interface (CLI) Path Traversal Vulnerability (added )
  • CVE-2015-5317: Jenkins User Interface (UI) Information Disclosure Vulnerability (added )
  • CVE-2019-1003029: Jenkins Script Security Plugin Sandbox Bypass Vulnerability (added )
  • CVE-2018-1000861: Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability (added )