Vulnerability DatabaseCVE-2026-84670
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CVE-2026-84670
Published:September 02, 2026
Updated:September 22, 2026
Jenkins Performance Plugin 1015.v09ca_52b_3370e and earlier does not restrict the classes that can be instantiated when deserializing cached performance reports stored in the build directory on the Jenkins controller, allowing attackers with Item/Configure permission to execute arbitrary code on the Jenkins controller.
Affected Packages
org.jenkins-ci.plugins:performance (JAVA):
Affected version(s) >=1.9 <1017.v9e9f7b_b_b_c5e7
Fix Suggestion:
Update to version 1017.v9e9f7b_b_b_c5e7
Related Resources (1)
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4026
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CVSS 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)
Deserialization of Untrusted Data
CWE-502
EPSS
Base Score:
0.37