Name: CVE-2026-1731: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2026-02-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-1731, CWE-78, Exploited in the Wild, CISA KEV Exploit, Rapid7 Critical, Metasploit Module, Used with Ransomware, CVSS 9.8, EPSS 0.92463, CISA KEV

Emergent ThreatCVE-2026-1731:Critical Unauthenticated Remote Code Execution in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)Blog ↗

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 Details

CVSS 4.0 Base Score: 9.9 (CRITICAL)
CVSS 4.0 Vector: (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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Beyondtrust	—	Upgrade BeyondTrust Remote Support to latest version.Upgrade BeyondTrust Privileged Remote Access to latest version.	Feb 9, 2026	Feb 6, 2026

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CVSS Details

Covered by Rapid7

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