CVE-2026-84660

A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds triggered by the `build` step to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.

Score

CVSS 3.1 5.4 Medium

Status

Awaiting Analysis - jenkinsci-cert@googlegroups.com

Published

2026-09-02

Last modified

2026-09-02

Weaknesses

CWE-862

Affected products

• Jenkins Pipeline Build Step Plugin (Jenkins Project)

References

• https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3870