Medium severity · published Jan 29, 2026
CVE-2026-23571
Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX
6.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
DEX · TeamViewer
through 20 · source: vendor
DE
Digital Employee Experience · Teamviewer
before 26.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23571
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23571
Vendor Advisory
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/
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