CVE-2026-84670

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.

Score

CVSS 3.1 8.8 High

Status

Awaiting Analysis - jenkinsci-cert@googlegroups.com

Published

2026-09-02

Last modified

2026-09-02

Weaknesses

CWE-502

Affected products

• Jenkins Performance Plugin (Jenkins Project)

References

• https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4026