CVE-2026-11806: IBM WebSphere Application Server

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 is affected by an arbitrary file read vulnerability with the restConnector-2.0 feature enabled.

Affected products

• IBM WebSphere Application Server: from 17.0.0.3, before 26.0.0.7 (fixed in 26.0.0.7)

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