CVE-2026-84661
Published:September 02, 2026
Updated:September 22, 2026
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the "waitForBuild" step when the "propagateAbort" parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
Affected Packages
https://github.com/jenkinsci/pipeline-build-step-plugin.git (GITHUB):
Affected version(s) >=485.vb_b_555eb_b_d0dd <601.v6d4c6d1a_9dc7Fix Suggestion:
Update to version 601.v6d4c6d1a_9dc7org.jenkins-ci.plugins:pipeline-build-step (JAVA):
Affected version(s) >=2.0 <601.v6d4c6d1a_9dc7Fix Suggestion:
Update to version 601.v6d4c6d1a_9dc7Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.23