CVE-2026-1731
Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)
- State
- Published
- Severity
- 9.9 Critical
- Published
- Feb 6, 2026
- Updated
- Feb 26, 2026
- Reserved
- Jan 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.9 Critical | 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 | BT |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
Remote Support(RS) & Privileged Remote Access(PRA)BeyondTrust |
|
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-2026-1731exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731government-resource
- https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731third-party-advisory
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