CVE-2026-1731Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

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.

9.9 CRITICALEPSS 93.85%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 10:16 UTC

OverviewCVSS details

9.9CRITICALCVSS 4.0

Score source: BT (CNA)
NVD status: Analyzed
Published: Feb 6, 2026
Assigner: BT

Affected

Remote Support(RS) & Privileged Remote Access(PRA) (BeyondTrust)

Versions: through RS 25.3.1 · through PRA 24.3.4

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Feb 13, 2026
KEV due date: Feb 16, 2026
Ransomware use: Known
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

93.85%chance of exploitation in 30 days

Higher than 99.84% of CVEs

CVSS 4.0 · BT (CNA)

9.9Critical

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

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: None
User interaction: None
Confidentiality impact: High
Integrity impact: High
Availability impact: High
Confidentiality (other systems): Low
Integrity (other systems): High
Availability (other systems): Low

CVSS 3.1 · NVD

9.8Critical

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 impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.9	CRITICAL	4.0BT (CNA)	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
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Feb 16, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2026-1731
Status: Analyzed
Assigner (CNA): BT
Published: Feb 6, 2026
Last modified: 2026-06-17 10:16 UTC
Weaknesses: CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 10:02 UTC.