PT-2026-55950 · Beyondtrust · Remote Support+1

Published 2026-07-06 · Updated 2026-07-06 · CVE-2026-40138

Positive Technologies (AI Summary)

CVSS v4.0

9.2

Critical

Base vector

AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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

Name of the Vulnerable Software and Affected Versions BeyondTrust Remote Support (affected versions not specified) BeyondTrust Privileged Remote Access (affected versions not specified)

Description A critical pre-authentication issue exists in the authentication subsystem. Improper validation of authentication data allows a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance, potentially accessing accounts with elevated privileges. This exploitation is possible when a specific authentication configuration is enabled.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-40138

Affected Products

Privileged Remote Access

Remote Support

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-40138 · Security Note
• https://beyondtrust.com/trust-center/security-advisories/bt26-03 · Note
• https://twitter.com/Daily_CyberSec/status/2074188677995987151 · Twitter Post
• https://twitter.com/DarkWebInformer/status/2074203014605295863 · Twitter Post