CVE-2016-1181: Apache Struts

High severity, CVSS 8.1. EPSS: 13.1% chance of exploitation in the next 30 days.

ActionServlet.java in Apache Struts 1 1.x through 1.3.10 mishandles multithreaded access to an ActionForm instance, which allows remote attackers to execute arbitrary code or cause a denial of service (unexpected memory access) via a multipart request, a related issue to CVE-2015-0899.

Affected products

• Apache Struts: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1 only; version 1.2.0 only; version 1.2.1 only; …
• Oracle Banking Platform: version 2.3.0 only; version 2.4.0 only; version 2.4.1 only; version 2.5.0 only
• Oracle Portal: version 11.1.1.6 only

Published 2016-07-04. Last modified 2026-06-17.