CVE-2026-19042: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TeamViewer Full Client
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.
CVE-2026-19042: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TeamViewer Full Client
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.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TV
- Date Reserved
- 2026-08-06T06:13:29.904Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8eb3e2acd9273b49ac772b
Added to database: 08/26/2026, 09:37:38 UTC
Last updated: 08/26/2026, 10:22:13 UTC
Views: 3
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