CVE-2016-6794: When a SecurityManager is configured, a web application's ability to read system properties should be contr...

Security readout for executives and security teams

This flaw affects Apache Tomcat when Java SecurityManager restrictions are expected to stop web applications from reading sensitive system properties. A malicious web application could bypass that control through Tomcat configuration property replacement and read properties it should not see. Exposure is most relevant where affected Tomcat versions host untrusted or tenant-controlled web applications and rely on SecurityManager isolation. Single-application servers with trusted code have lower practical exposure. Treat as a targeted remediation item for shared or semi-trusted Tomcat hosting. It is not described as remotely exploitable without an already deployed malicious web application, but it can undermine isolation assumptions and expose sensitive configuration data. Mitigation focus: Inventory Tomcat versions and flag systems within the listed affected ranges.; Apply Apache, Debian, or Red Hat vendor updates for affected Tomcat packages.; Do not host untrusted web applications on affected Tomcat instances..

Prepared

Jun 12, 2026, 21:41 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.