CVE-2026-1731
Published 2026-02-06 · Updated 2026-06-17 · Source 13061848-ea10-403d-bd75-c83a022c2891
Summary
CVE-2026-1731 is a critical-severity (CVSS 9.8) vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). CISA added it to the Known Exploited Vulnerabilities catalog on February 13, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by February 16, 2026. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. BeyondTrust has 4 vulnerabilities in the KEV catalog, 1 of them linked to ransomware.
All 4 known-exploited BeyondTrust vulnerabilities →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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: BeyondTrust — Remote Support (RS) and Privileged Remote Access (PRA)
Name: BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability
Date added: 2026-02-13 · Due: 2026-02-16
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
- https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293
- https://www.beyondtrust.com/trust-center/security-advisories/bt26-02
- https://github.com/win3zz/CVE-2026-1731
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731
- https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731