CVE-2026-122193 | BDVDB-2026-401178 Detail
AWStrusted-remote-execution
Description#
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 Cedar policy enforcement. To remediate this issue, users should delete any Rex-RO and Rex-RW SSM documents created from the example script, in each account and Region where it was run.
Impact#
CAPEC-88 OS Command Injection
Weaknesses#
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References#
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.