Medium · CVSS 5.4CVE-2026-84660

CISA ADP VulnrichmentCVE-2026-84660

Answer in brief

CVE-2026-84660 records a Medium severity (CVSS 5.4) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Jenkins Project/Jenkins Pipeline: Build Step Plugin (generic), Jenkins Project/Jenkins Pipeline: Build Step Plugin (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 2, 2026Updated Sep 3, 2026Source checked Oct 17, 2026First seen by HOL Sep 2, 2026Material review Sep 3, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.4
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Jenkins Project/Jenkins Pipeline: Build Step Plugin (generic), Jenkins Project/Jenkins Pipeline: Build Step Plugin (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Jenkins Project/Jenkins Pipeline: Build Step Plugingeneric	0	Not reported
Jenkins Project/Jenkins Pipeline: Build Step Plugingeneric	>=0 <=599.v4b_67ea_11b_152	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Jenkins Project/Jenkins Pipeline: Build Step Plugin, Jenkins Project/Jenkins Pipeline: Build Step Plugin.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 2, 2026

Sources and claim methodology

Source referencejenkins.io

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.