VULNERABILITY INTELLIGENCE

CVE-2026-40139

CVSS score9.8 CRITICAL
EPSS probability0.75%
CISA KEVNot currently listed
Published2026-07-06
Last modified2026-07-07
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote 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.

Weakness classification

  • 13061848-ea10-403d-bd75-c83a022c2891: CWE-287

Primary references