CVE-2026-11546: IBM WebSphere Application Server

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is affected by a server-side request forgery vulnerability with the adminCenter-1.0 feature enabled.

Affected products

• IBM WebSphere Application Server: from 17.0.0.3, before 26.0.0.8 (fixed in 26.0.0.8)

Published 2026-06-30. Last modified 2026-07-02.