CVE-2026-84645
Published:September 02, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) >=jenkins-1.409.1 <jenkins-2.568.3Fix Suggestion:
Update to version jenkins-2.568.3org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.568 <2.568.3Fix Suggestion:
Update to version 2.568.3org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=1.396 <2.580Fix Suggestion:
Update to version 2.580Related Resources (1)
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Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
EPSS
Base Score:
0.66