CVE-2026-105443: IBM WebSphere Application Server - Liberty

High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• IBM WebSphere Application Server - Liberty: from 17.0.0.3, up to and including 26.0.0.10

Published 2026-10-13. Last modified 2026-10-16.