---
id: CVE-2026-117612
title: >-
  Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not apply its
  deserialization filter to classes referenced by the `resolves-to` attribute
  during XStream deserialization.
summary: >-
  Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not apply its
  deserialization filter to classes referenced by the `resolves-to` attribute
  during XStream deserialization.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: adp
vendor: Jenkins Project
product: Jenkins
affected:
  - Jenkins (all versions)
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-05T17:30:07.222696Z'
published: '2026-10-28'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T17:30:26.486Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-117612'
references:
  - url: 'https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4125'
    label: Jenkins Security Advisory 2026-10-28
tags:
  - cve.org
epss: 0.00409
epssPercentile: 0.35355
ingestedAt: '2026-10-28T17:14:44.455Z'
---

## Overview

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not apply its deserialization filter to classes referenced by the `resolves-to` attribute during XStream deserialization.

## Affected

- `Jenkins (all versions)`

## Remediation

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