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

Published Jan 29, 2026
·
Updated

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.

Affected Software

3 affected components
TeamViewer TeamViewer DEX<24.5
All of the following
TeamViewer Digital Employee Experience<26.1
Microsoft Windows

Remediation

Information

Update the TeamViewer DEX Client (1E Client) to the latest available version. Remove the instruction 1E-Nomad-RunPkgStatusRequest from DEX Portal.

Event History

Jan 29, 2026
CVE Published
via MITRE·08:41 AM
Data Sourced
via MITRE·08:41 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Jun 19, 58090
Event
via FIRST·09:58 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-23571?

CVE-2026-23571 is rated as a high severity vulnerability due to the potential for command injection.

2

How do I fix CVE-2026-23571?

To mitigate CVE-2026-23571, update TeamViewer DEX to version 24.5 or later, which addresses the vulnerability.

3

Who is affected by CVE-2026-23571?

CVE-2026-23571 affects authenticated users of TeamViewer DEX versions prior to 24.5.

4

What is the impact of CVE-2026-23571?

The impact of CVE-2026-23571 includes the risk of unauthorized command execution, leading to potential compromise of the system.

5

When was CVE-2026-23571 discovered?

CVE-2026-23571 was identified in 2026 as part of a security assessment of TeamViewer DEX.

Contact

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