Jenkins Pipeline Build Step Plugin Missing Permission Check
CVE-2026-84660 Published on September 2, 2026

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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-84660 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
LOW

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-84660 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-84660

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Affected Versions

Jenkins Project Jenkins Pipeline: Build Step Plugin: