CVE-2026-1731

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.

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 9.9CVSS 4.0, Criticalfrom the CNA (BT)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L

What to do

• Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-248 Command Injection (CNA impact statement)

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 6 Feb 2026 Published
2. 13 Feb 2026 CVE-2026-1731 added to CISA KEV
3. 13 Feb 2026 Added to the CISA KEV catalogue

Weakness

• CWE-78

References

• beyondtrustcorp.service-now.com
• www.beyondtrust.com