---
id: CVE-2026-92128
title: >-
  Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a
  JAR file specified by URL twice, confirming the approval of the first download
  and loading the classpath entries from the second, allowing attackers able to
  def…
summary: >-
  Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a
  JAR file specified by URL twice, confirming the approval of the first download
  and loading the classpath entries from the second, allowing attackers able to
  def…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-494
vendor: jenkins
product: script_security
affected:
  - script_security <= 1415.v9a_f9b_3a_c253d
published: '2026-09-16'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T17:16:03.010'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92128'
references:
  - url: 'https://www.jenkins.io/security/advisory/2026-09-16/#SECURITY-3932'
    label: jenkinsci-cert@googlegroups.com
tags:
  - nvd
  - cve.org
epss: 0.00292
epssPercentile: 0.19461
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-16T19:46:55.368799Z'
ingestedAt: '2026-09-16T14:57:28.021Z'
---

## Overview

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

## Affected

- `script_security <= 1415.v9a_f9b_3a_c253d`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.