CVE entry · CVE-2026-1731
CVE-2026-1731: BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability
BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)contain an OS command injection vulnerability. Successful exploitation could allow an unauthenticated remote attacker to execute operating system commands in the context of the site user. Successful exploitation requires no authentication or user interaction and may lead to system compromise, including unauthorized access, data exfiltration, and service disruption.
- Actively exploited: added to CISA’s KEV catalog on February 13, 2026.
- Used by ransomware, according to CISA.
- Remediation deadline for US federal agencies: February 16, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA), including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.