CactusVPN 5.3.6 for macOS contains a root privilege escalation vulnerability through a setuid root binary called runme. The binary takes a single command line argument and passes this argument to a system() call, thus allowing low privileged users to execute commands as root.

CactusVPN through 6.0 for macOS suffers from a root privilege escalation vulnerability in its privileged helper tool. The privileged helper tool implements an XPC interface, which allows arbitrary applications to execute system commands as root.