CVE-2026-11713: IBM WebSphere Application Server - Liberty

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

Affected products

• IBM WebSphere Application Server - Liberty: from 17.0.0.3, up to and including 26.0.0.9

Published 2026-10-13. Last modified 2026-10-17.