---
id: CVE-2026-117617
title: >-
  Jenkins 2.587 and earlier, LTS 2.580.1 and earlier checks for symbolic links
  in the path of an extracted file only before creating its parent directories,
  not immediately before writing it, and allows symbolic links in artifacts to
  repla…
summary: >-
  Jenkins 2.587 and earlier, LTS 2.580.1 and earlier checks for symbolic links
  in the path of an extracted file only before creating its parent directories,
  not immediately before writing it, and allows symbolic links in artifacts to
  repla…
severity: none
vendor: Jenkins Project
product: Jenkins
affected:
  - Jenkins (all versions)
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T16:48:31.962Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-117617'
references:
  - url: 'https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4248'
    label: Jenkins Security Advisory 2026-10-28
tags:
  - cve.org
ingestedAt: '2026-10-28T17:14:44.451Z'
---

## Overview

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier checks for symbolic links in the path of an extracted file only before creating its parent directories, not immediately before writing it, and allows symbolic links in artifacts to replace existing files or empty directories, allowing attackers with Item/Configure permission to write files to arbitrary locations on the Jenkins controller file system.

## Affected

- `Jenkins (all versions)`

## Remediation

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