CVE-2026-11537: IBM WebSphere Application Server

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.

Affected products

• IBM WebSphere Application Server: version 9.0 only; version 8.5 only

Published 2026-09-18. Last modified 2026-09-19.