CVE-2026-40139

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

Description A critical pre-authentication flaw exists in the authentication subsystem. Improper processing of authentication requests allows an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, potentially acquiring accounts with elevated privileges. This issue requires a specific authentication configuration to be enabled for exploitation.

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