CVE-2026-84661
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.
Published:Sep 2, 2026
Last Modified:Sep 3, 2026
EPS:Sep 2, 2026
EPSS Score:0.00229
CVSS Score:5.4
Affected Products
Vendor
Product
Action
Vendor
Jenkins Project
Product
Jenkins Pipeline Build Step Plugin
Jenkins Project
Jenkins Pipeline Build Step Plugin
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
