---
id: CVE-2026-105443
title: >-
  IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has
  insufficient isolation between servers sharing an install.
summary: >-
  IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has
  insufficient isolation between servers sharing an install.
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N'
cwe:
  - CWE-284
vendor: IBM
product: WebSphere Application Server - Liberty
affected:
  - websphere_application_server_-_liberty >= 17.0.0.3 <= 26.0.0.10
published: '2026-10-13'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T18:17:21.827'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105443'
references:
  - url: 'https://www.ibm.com/support/pages/node/7292226'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00229
epssPercentile: 0.13592
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-16T15:25:46.018632Z'
ingestedAt: '2026-10-13T21:58:14.169Z'
---

## Overview

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.

## Remediation

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