CVE-2026-8381 — MEDIUM (5.4)

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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-

FAQ

What is CVE-2026-8381?

CVE-2026-8381 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 au...

How severe is CVE-2026-8381?

CVE-2026-8381 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8381?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.