SB2026070743 - Multiple vulnerabilities in BeyondTrust Remote Support and Privileged Remote Access



SB2026070743 - Multiple vulnerabilities in BeyondTrust Remote Support and Privileged Remote Access

Published: July 7, 2026

Security Bulletin ID SB2026070743
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper Authentication (CVE-ID: CVE-2026-40138)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: 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/E:U/U:Amber


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper validation of authentication data. A remote attacker can bypass authentication process and gain unauthorized access to the application.


2) Improper Authentication (CVE-ID: CVE-2026-40139)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper processing of authentication requests. A remote attacker can bypass access controls and gain unauthorized access to the appliance.


3) Resource exhaustion (CVE-ID: CVE-2026-40140)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


4) Improper Neutralization of Special Elements in Data Query Logic (CVE-ID: CVE-2026-40141)

CWE-ID: CWE-943 - Improper Neutralization of Special Elements in Data Query Logic

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input in a web application component. A remote user can gain access to sensitive information.


Remediation

Install update from vendor's website.