CVE-2026-122193 OS command injection in the example SSM documents in Trusted Remote Execution (REX)

OS command injection in the example SSM document provisioning script in Trusted Remote Execution REX before 2026-07-28 might allow an authenticated remote user who is permitted to invoke the Rex-RO or Rex-RW SSM document to execute arbitrary commands as root on the managed instance, bypassing Ced...