CVE-2016-5983: IBM WebSphere Application Server

High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days.

IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.43, 8.0 before 8.0.0.13, 8.5 before 8.5.5.11, 9.0 before 9.0.0.2, and Liberty before 16.0.0.4 allows remote authenticated users to execute arbitrary Java code via a crafted serialized object.

Affected products

• IBM WebSphere Application Server: version 7.0 only; version 7.0.0.0 only; version 7.0.0.1 only; version 7.0.0.2 only; version 7.0.0.3 only; version 7.0.0.4 only; …

Published 2016-10-05. Last modified 2026-06-17.