"BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability," the company said in an advisory released February 6, 2026. "By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user." The vulnerability, categorized as an operating system command injection, has been assigned the CVE identifier CVE-2026-1731.