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CVE-2026-40141— High-Severity Vulnerability In Web Application Component of BeyondTrust Remote Support and Privileged Remote Access

Quick assessment

Affected
BeyondTrust Remote Support
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BeyondTrust remote support是美国BeyondTrust公司的一款远程支持工具。 BeyondTrust Remote Support 26.2.1之前版本和25.3.3之前版本以及Privilege Remote Access 26.2.1之前版本和25.3.3之前版本存在输入验证错误漏洞，该漏洞源于对用户提供的输入验证不足，可能导致具有特定权限的经身份验证攻击者访问未授权的资源或数据。

AI Predicted 6.5 Difficulty: Easy EPSS 0.53% · P43

Affected Version Matrix 2

VendorProduct Version RangeStatus
BeyondTrust Privilege Remote Access ≤ 25.3.2 affected
BeyondTrust Remote Support ≤ 25.3.2 affected
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I. Basic Information for CVE-2026-40141

Vulnerability Information
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Vulnerability Title
High-Severity Vulnerability In Web Application Component of BeyondTrust Remote Support and Privileged Remote Access
Source: CVE Program / CVE List V5
Vulnerability Description
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 access unintended resources or data beyond their authorization scope. Exploitation is restricted to accounts with specific permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5
Vulnerability Title
BeyondTrust Remote Support 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BeyondTrust remote support是美国BeyondTrust公司的一款远程支持工具。 BeyondTrust Remote Support 26.2.1之前版本和25.3.3之前版本以及Privilege Remote Access 26.2.1之前版本和25.3.3之前版本存在输入验证错误漏洞，该漏洞源于对用户提供的输入验证不足，可能导致具有特定权限的经身份验证攻击者访问未授权的资源或数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
BeyondTrust Remote Support 0 ~ 25.3.2 -
BeyondTrust Privilege Remote Access 0 ~ 25.3.2 -

II. Public POCs for CVE-2026-40141

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III. Intelligence Information for CVE-2026-40141

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Vendor Advisories for CVE-2026-40141 (1)

Same Patch Batch · BeyondTrust · 2026-07-06 · 4 CVEs total

CVE-2026-40139 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Rem
CVE-2026-40138 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Rem
CVE-2026-40140 High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privilege

IV. Related Vulnerabilities

Same product: Remote Support
Same vendor: BeyondTrust
Same weakness: CWE-943

V. Comments for CVE-2026-40141

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