CVE-2026-23571
Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX
Description
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.
INFO
Published Date :
Jan. 29, 2026, 9:16 a.m.
Last Modified :
Jan. 29, 2026, 4:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 13430f76-86eb-43b2-a71c-82c956ef31b6 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update 1E Client to version 24.5 or higher.
- Validate input for arbitrary commands.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-23571.
| URL | Resource |
|---|---|
| https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23571 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-23571
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-23571 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23571 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jan. 29, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-20 Added Reference https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/