CVE-2026-84671

High

Description

Jenkins File Parameter Plugin 425.v3fa_801681b_5e and earlier allows writing files to arbitrary locations on the Jenkins controller file system through Stapler data binding, which can lead to remote code execution.

SeverityHigh

CVSS8.8

Exploit probability—

ProductJenkins File Parameter Plugin

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-22Path traversal

How to fix

Vendor advisories

jenkins.io/security/advisory/2026-09-02/#SECURITY-4093

Affected products

Product	Affected versions	Fixed in
Jenkins Project Jenkins File Parameter Plugin	v ≤ 425.v3fa_801681b_5e	—

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