CVE-2026-84660

Missing Permission Check Enables Unauthorized Build Cancellation in Jenkins Pipeline Build Step Plugin

Published Sep 2, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Pipeline Build Step Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Pipeline Build Step Plugin
Type Values Removed Values Added
Title Missing Permission Check Enables Unauthorized Build Cancellation in Jenkins Pipeline Build Step Plugin
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Sep 2, 2026, 5:08 PM
Reserved
Sep 1, 2026, 9:55 PM
Status
Awaiting Analysis
Published
Sep 2, 2026, 4:17 PM
Modified
Sep 3, 2026, 5:13 PM