CVE-2026-40138

HighCVSS 8.1/10Last modified Jul 7, 2026

Description

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
BeyondTrust	Remote Support	<= 25.3.2
BeyondTrust	Privileged Remote Access	<= 25.3.2

References

https://www.beyondtrust.com/trust-center/security-advisories/bt26-03Vendor Advisory

Timeline

Published: Jul 6, 2026
Last modified: Jul 7, 2026
NVD status: Analyzed

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