CVE-2009-0904: IBM WebSphere Application Server

Medium severity, CVSS 6.4. EPSS: 2% chance of exploitation in the next 30 days.

The IBM Stax XMLStreamWriter in the Web Services component in IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.25 does not properly process XML encoding, which allows remote attackers to bypass intended access restrictions and possibly modify data via "XML fuzzing attacks" sent through SOAP requests.

Affected products

• IBM WebSphere Application Server: version 6.1 only; version 6.1.0 only; version 6.1.0.1 only; version 6.1.0.2 only; version 6.1.0.3 only; version 6.1.0.4 only; …

Published 2009-07-05. Last modified 2026-06-16.