CVE-2026-84670

Description

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.

CVSS Vector

References

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