session_auth_agent_req(Session *s)
{
	static int called = 0;
	packet_check_eom();
	if (no_agent_forwarding_flag || !options.allow_agent_forwarding) {
		debug("session_auth_agent_req: no_agent_forwarding_flag");
		return 0;
	}
	if (called) {
		return 0;
	} else {
		called = 1;
		return auth_input_request_forwarding(s->pw);
	}
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.