CVE-2026-11549: IBM Cics Tx Advanced

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a virtual host bypass vulnerability.

Affected products

• IBM Cics Tx Advanced: version 10.1 only

Published 2026-09-18. Last modified 2026-09-22.