Payara 7.2026.1.RC1 Remote Code Execution via Server-Side Includes #exec Directive in Payara Server
Posted by Ron E on Sep 03Description:
Payara Server contains a vulnerability in its Server-Side Includes (SSI)
implementation that allows arbitrary operating system command execution via
the #exec directive. The issue occurs because user-controlled SSI
directives are passed directly to Runtime.exec() without validation,
sanitization, or restriction. An attacker who can cause the server to
process an SSI file (e.g., .shtml) can execute arbitrary OS commands with
the...