CVE-2016-6796: Apache Tomcat

High severity, CVSS 7.5. EPSS: 8.3% chance of exploitation in the next 30 days.

A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.

Affected products

• Apache Tomcat: from 6.0.0, up to and including 6.0.45; from 7.0.0, up to and including 7.0.70; from 8.0, up to and including 8.0.36; from 8.5.0, up to and including 8.5.4; version 9.0.0 only
• Canonical Ubuntu Linux: version 16.04 only
• Debian Debian Linux: version 8.0 only
• Netapp Oncommand Insight: affected versions not specified
• Netapp Oncommand Shift: affected versions not specified
• Netapp Snap Creator Framework: affected versions not specified
• Oracle Tekelec Platform Distribution: version 7.4.0 only; version 7.7.1 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Eus: version 7.4 only; version 7.5 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.4 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Red Hat JBoss Enterprise Application Platform: version 6.4 only
• Red Hat JBoss Enterprise Web Server: version 3.0.0 only

Published 2017-08-11. Last modified 2026-10-08.