CVE-2025-36099: IBM WebSphere Application Server

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.

Affected products

• IBM WebSphere Application Server: version 8.5.0.0 only; version 9.0.0.0 only

Published 2025-09-29. Last modified 2026-10-09.