AUGUST 25, 2026
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Case File

CVE-2026-40139

CRITICAL · CVSS 9.8 EPSS 0.67% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-06 · Last synced 2026-08-05

CyberRota Analysis

AI-Generated

A critical pre-authentication vulnerability in the authentication subsystem of BeyondTrust Remote Support allows unauthenticated remote attackers to bypass access controls and potentially gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation of this vulnerability requires a specific authentication configuration to be enabled. Organizations using BeyondTrust Remote Support should prioritize immediate remediation to mitigate the risk of unauthorized access.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-40139
Severity
CRITICAL
CVSS
9.8
EPSS
0.67%

Original NVD 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.

Related CVEs

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