CVE-2026-40139: falha crítica em BeyondTrust Remote Support
Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
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28Vexday Risk Score
Sem sinal de exploração. Ela tem alerta oficial do governo brasileiro.
ssvc Trackcvss 9.2epss 0.8%
Alerta oficial no Brasil
O governo federal publicou alerta, recomendação ou boletim que cita esta vulnerabilidade.
- CISC Gov.br · 14 jul 2026Boletim do CISC de Vulnerabilidadeler no gov.br ↗
Fonte: CTIR Gov (GSI) e CISC Gov.br, sob licença CC BY-ND 3.0.
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVEs relacionadas — BeyondTrust Remote Support
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CVE-2024-12356CRITICALCommand Injection Vulnerability in Remote Support(RS) & Privileged Remote Access (PRA)EPSS 87.4%KEVCVE-2026-102764CRITICALImproper Origin Validation in Internal Messaging Components of BeyondTrust Remote SupportEPSS 78.0%KEVCVE-2026-40140HIGHHigh-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote AccessEPSS 0.6%CVE-2026-40141HIGHHigh-Severity Vulnerability In Web Application Component of BeyondTrust Remote Support and Privileged Remote AccessEPSS 0.5%CVE-2026-40138CRITICALCritical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote AccessEPSS 0.5%CVE-2025-0217HIGHPrivileged Remote Access Authentication BypassEPSS 0.2%