CVE-2026-84645

Jenkins Remote Code Execution via Nested Configuration Objects

Published Sep 2, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their configuration in independent top-level configuration files in Jenkins (such as the global configuration and jobs) can appear as nested field values in user-submitted `config.xml` documents and subsequently handle HTTP requests via Stapler, resulting in remote code execution.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jenkins
Jenkins jenkins
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Vendors & Products Jenkins
Jenkins jenkins
Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins
Vendors & Products Jenkins Project
Jenkins Project jenkins
Type Values Removed Values Added
Title Jenkins Remote Code Execution via Nested Configuration Objects
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-915
CWE-94
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'}

Type Values Removed Values Added
Description In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their configuration in independent top-level configuration files in Jenkins (such as the global configuration and jobs) can appear as nested field values in user-submitted `config.xml` documents and subsequently handle HTTP requests via Stapler, resulting in remote code execution.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Sep 3, 2026, 3:56 AM
Reserved
Sep 1, 2026, 9:55 PM
Status
Analyzed
Published
Sep 2, 2026, 4:17 PM
Modified
Sep 11, 2026, 9:15 PM