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CVE-2026-8381— Broken Access Control in TeamViewer DEX Platform (On Premises)

Quick assessment

Affected
TeamViewer DEX (On-premises)
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.

TeamViewer DEX Platform On-Premises是德国TeamViewer公司的一个本地部署的数字员工体验管理平台。 TeamViewer DEX Platform On-Premises 9.2之前版本存在安全漏洞，该漏洞源于某些后端API端点未正确执行授权检查，可能导致低权限的经过身份验证的用户执行仅限高权限角色的操作和访问资源。

CVSS 5.4 · Medium EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
TeamViewer DEX (On-premises) < 9.2 affected
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I. Basic Information for CVE-2026-8381

Vulnerability Information
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Vulnerability Title
Broken Access Control in TeamViewer DEX Platform (On Premises)
Source: CVE Program / CVE List V5
Vulnerability Description
A broken access control vulnerability exists in the TeamViewer DEX Platform (On‑Premises) prior version 9.2. Certain backend API endpoints do not correctly enforce authorization checks, allowing an authenticated user with low privileges to perform actions and access resources intended only for higher‑privileged roles. An attacker with low‑privileged credentials may exploit this to gain unauthorized access to administrative or sensitive functionality.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TeamViewer DEX Platform On-Premises 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TeamViewer DEX Platform On-Premises是德国TeamViewer公司的一个本地部署的数字员工体验管理平台。 TeamViewer DEX Platform On-Premises 9.2之前版本存在安全漏洞，该漏洞源于某些后端API端点未正确执行授权检查，可能导致低权限的经过身份验证的用户执行仅限高权限角色的操作和访问资源。
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
TeamViewer DEX (On-premises) 0 ~ 9.2 -

II. Public POCs for CVE-2026-8381

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III. Intelligence Information for CVE-2026-8381

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Vendor Advisories for CVE-2026-8381 (1)

IV. Related Vulnerabilities

Same product: DEX (On-premises)
Same vendor: TeamViewer
Same weakness: CWE-862

V. Comments for CVE-2026-8381

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