CVE-2026-19042
Command Injection in TeamViewer Desktop Client for Linux through Chat Link Handling
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
A command injection vulnerability in TeamViewer Full Client and Host for Linux prior to version 15.81.5 allows a remote attacker to execute arbitrary commands in the context of the current user via a specially crafted URL sent through the out-of-session chat feature. Exploitation requires user interaction by clicking the malicious link.
| CWE | CWE-78 |
| Vendor | teamviewer |
| Product | full client |
| Published | Aug 26, 2026 |
| Last Updated | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
TeamViewer / Full Client
15.0 < 15.81.5 14.0 < 14.7.488838 13.0 < 13.2.153978
TeamViewer / Host
15.0 < 15.81.5 14.0 < 14.7.488838 13.0 < 13.2.153978
References
Credits
HeaZzy (Mathys KHALFA) & skav (Antoine RIEUL)