CVE-2026-19042

Command Injection in TeamViewer Desktop Client for Linux through Chat Link Handling

Published Aug 26, 2026 CVSS 3.1 · 8.8 High EPSS 1.8% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update to the latest available client version.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Teamviewer
Teamviewer full Client
Teamviewer host
Vendors & Products Teamviewer
Teamviewer full Client
Teamviewer host
Type Values Removed Values Added
Description 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.
Title Command Injection in TeamViewer Desktop Client for Linux through Chat Link Handling
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Aug 26, 2026, 1:02 PM
Reserved
Aug 6, 2026, 6:13 AM
Status
Deferred
Published
Aug 26, 2026, 10:16 AM
Modified
Sep 1, 2026, 8:50 PM