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

CVSS 5.4 · Medium EPSS 0.03% · P9

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProductVersion RangeStatus
TeamViewerDEX (On-premises)< 9.2affected
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
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

VendorProductAffected VersionsCPESubscribe
TeamViewerDEX (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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