CVE-2026-57280

jenkins-script-security-plugin: Jenkins Script Security Plugin: Sandbox bypass leading to arbitrary code execution

Published Jun 24, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-c3jm-9vj7-5v66 Jenkins Script Security Plugin sandbox bypass vulnerability
History
Type Values Removed Values Added
Weaknesses CWE-264
CWE-730
Type Values Removed Values Added
Title Jenkins Script Security Plugin Sandbox Bypass via Implicit Type Cast in Groovy Loops jenkins-script-security-plugin: Jenkins Script Security Plugin: Sandbox bypass leading to arbitrary code execution
Weaknesses CWE-1287
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Script Security Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Script Security Plugin
Type Values Removed Values Added
Title Jenkins Script Security Plugin Sandbox Bypass via Implicit Type Cast in Groovy Loops
Weaknesses CWE-264
CWE-730
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Jun 24, 2026, 1:58 PM
Reserved
Jun 24, 2026, 8:41 AM
Status
Analyzed
Published
Jun 24, 2026, 2:17 PM
Modified
Oct 25, 2026, 11:10 PM
Severity
Important
Public date
Jun 24, 2026, 1:20 PM