Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-40139

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 52.2%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-40139


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