CVEvulnerability

CVE-2026-1731

9.9 CRITICAL Known exploited Published 2026-02-06 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

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

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.

Added to KEV
2026-02-13
Remediation due
2026-02-16
Ransomware use
Known
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.
Notes
Please adhere to the vendor's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible BeyondTrust products affected by this vulnerability. For more information please: see: https://www.beyondtrust.com/trust-center/security-advisories/bt26-02 ; https://nvd.nist.gov/vuln/detail/CVE-2026-1731
Status
Analyzed
Published
2026-02-06
Last modified
2026-06-17
Assigner
13061848-ea10-403d-bd75-c83a022c2891
CVSS 4.0 (13061848-ea10-403d-bd75-c83a022c2891)
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/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 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-78

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.

Affected configurations

• beyondtrust privileged remote access (< 25.1) • beyondtrust remote support (< 25.3.2)

Related

Weakness · CWE (1)

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References