cyfenced.com →

[ CVE-2026-1731 · Published 6 Feb 2026 ]

BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 92%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-02-13
  • Known to be used in ransomware campaigns
  • EPSS: 92% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official description

BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 16 Feb 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References