CVE-2026-19042

Name of the Vulnerable Software and Affected Versions TeamViewer Full Client and Host for Linux versions prior to 15.81.5

Description A command injection issue exists that allows a remote attacker to execute arbitrary commands with the privileges of the current user. This occurs when a user clicks a specially crafted URL sent via the out-of-session chat feature. Command injection is a flaw where an application allows an attacker to execute unauthorized system commands on the host operating system.

Recommendations Update TeamViewer Full Client and Host for Linux to version 15.81.5 or later.