TeamViewer DEX Platform BADC 9.2 broken access control in API
CVE-2026-8381 Published on May 22, 2026
Broken Access Control in TeamViewer DEX Platform (On Premises)
A broken access
control vulnerability exists in the TeamViewer DEX Platform (OnPremises) 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 higherprivileged roles. An attacker with
lowprivileged credentials may exploit
this to gain unauthorized access to administrative or sensitive functionality.
Vulnerability Analysis
CVE-2026-8381 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-8381 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
TeamViewer DEX (On-premises):- Before 9.2 is affected.