CVE-2026-23571 MEDIUM

CVE-2026-23571: Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX

Vendor Teamviewer
Product DEX
Weakness CWE-20 · Input validation
Published January 29, 2026
Last update January 29, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Nomad-RunPkgStatusRequest instruction. Improper input validation allows authenticated attackers with actioner privilege to run elevated arbitrary commands on connected hosts via malicious commands injected into the instruction’s input field. Users of 1E Client version 24.5 or higher are not affected.

Key dates

02Disclosure timeline

January 29, 2026 CVE published
January 29, 2026 Record updated