CVE-2026-40140 High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting...

EUVD-2026-41888

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting...

CVE-2026-40140

BeyondTrust Remote Support and Privileged Remote Access are affected by CVE-2026-40140, a pre-authentication vulnerability in the network communication subsystem. The issue stems from insufficient validation of client-supplied input, enabling an unauthenticated remote attacker to trigger a denial...

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...

CVE-2026-40139

BeyondTrust Remote Support authentication subsystem contains a critical pre-authentication vulnerability (CVE-2026-40139). Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including...

EUVD-2026-41887

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...

CVE-2026-40139 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

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...

CVE-2026-40139 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

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...

CVE-2026-40138

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

CVE-2026-40138

CVE-2026-40138 is a critical pre-authentication vulnerability in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. The underlying issue is improper validation of authentication data, which could let a network-positioned attacker bypass access controls and ga...

CVE-2026-40138 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

CVE-2026-40138 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

PT-2026-55950

Name of the Vulnerable Software and Affected Versions BeyondTrust Remote Support and Privileged Remote Access versions prior to 26.2.1 BeyondTrust Remote Support and Privileged Remote Access versions prior to 25.3.3 Description A critical pre-authentication flaw exists in the authentication...

PT-2026-55951

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 bypas...

CVE-2026-40140: Uncontrolled Resource Consumption

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting...

CVE-2026-40139: Improper Authentication

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...

CVE-2026-40138: Improper Authentication

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

PT-2026-55953

Name of the Vulnerable Software and Affected Versions BeyondTrust Remote Support and Privileged Remote Access affected versions not specified Description A high-severity issue exists in a web application component due to insufficient validation of user-supplied input. This flaw allows an...

PT-2026-55952

Name of the Vulnerable Software and Affected Versions BeyondTrust Remote Support and Privileged Remote Access affected versions not specified Description A pre-authentication issue exists in the network communication subsystem. Insufficient validation of client-supplied input allows an...

CVE-2026-40141: Improper Neutralization of Special Elements in Data Query Logic

A high-severity vulnerability exists in a web application component of BeyondTrust Remote Support and Privileged Remote Access related to the processing of certain input parameters. Insufficient validation of user-supplied input may allow an authenticated attacker with limited privileges to acces...