VulnTideExploited vulnerabilities, by vendor. Data as of 28 Oct 2026.
Known exploitedIn CISA's KEV catalog since 25 April 2022Ransomware use: unknown
Jenkins Script Security Plugin

CVE-2019-1003029: Jenkins Script Security Plugin Sandbox Bypass Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 25 Apr 2022, 1,144 days after the CVE record was published.

How likely is exploitation in the next 30 days?
74.4%

EPSS score, percentile 99.5 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?

Required action (CISA), due 16 May 2022: Apply updates per vendor instructions.

Advisories and patches (1)

Which versions are affected?

Affected: 1.53 and earlier

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: 16 May 2022.

Advisories and patches

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

Jenkins project Jenkins Script Security Plugin
StatusVersions
Affected1.53 and earlier

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Jenkins Script Security Plugin contains a protection mechanism failure, allowing an attacker to bypass the sandbox.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

  • CISA added CVE-2019-1003029 to its Known Exploited Vulnerabilities (KEV) catalog on 25 Apr 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 16 May 2022.
  • The CVE record was published on 8 Mar 2019, 1,144 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 74.4% (percentile 99.5), 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 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Timeline

DateEvent
8 Mar 2019CVE record published
25 Apr 2022Added to CISA KEV
16 May 2022CISA due date for the required action
21 Oct 2025CVE record last updated

References

More exploited Jenkins vulnerabilities

  • CVE-2017-1000353: Jenkins Remote Code Execution Vulnerability (added 2 Oct 2025)
  • CVE-2024-23897: Jenkins Command Line Interface (CLI) Path Traversal Vulnerability (added 19 Aug 2024)
  • CVE-2015-5317: Jenkins User Interface (UI) Information Disclosure Vulnerability (added 12 May 2023)
  • CVE-2019-1003030: Jenkins Matrix Project Plugin Remote Code Execution Vulnerability (added 25 Mar 2022)
  • CVE-2018-1000861: Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability (added 10 Feb 2022)