CVE-2026-1731

CRITICAL
2026-02-06 13061848-ea10-403d-bd75-c83a022c2891
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Added to CISA KEV
Feb 17, 2026 - 13:40 cisa
CISA KEV
PoC Detected
Feb 17, 2026 - 13:40 vuln.today
Public exploit code
CVE Published
Feb 06, 2026 - 22:16 nvd
CRITICAL 9.8

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.

Analysis

BeyondTrust Remote Support (RS) and older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability (CVE-2026-1731) that allows unauthenticated attackers to execute OS commands through specially crafted requests. With EPSS 66% and KEV listing with public PoC, this vulnerability is devastating because these products are specifically designed for privileged remote access — compromising them grants attackers access to the most sensitive systems in an organization.

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Remediation

Within 24 hours: Inventory all BeyondTrust RS and PRA deployments, isolate affected systems from external networks if possible, and enable enhanced logging. Within 7 days: Contact BeyondTrust support for guidance, implement network segmentation to restrict access to these systems, and deploy WAF rules to block exploitation attempts. …

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Priority Score

185
Low Medium High Critical
KEV: +50
EPSS: +66.1
CVSS: +49
POC: +20

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CVE-2026-1731 vulnerability details – vuln.today

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