Vulnerability details

CVE-2026-19042

TeamViewer Full ClientTeamViewer Host

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

CVSS 3.1
8.8High

Official 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 scores

ScoreVersionSourceVector
8.8High 3.1 CVEProject cvelistV5 (CNA) (TV) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
TeamViewer Full Client 13.0 ≤ v < 13.2.153978 CVEProject cvelistV5 (CNA)
TeamViewer Full Client 14.0 ≤ v < 14.7.488838 CVEProject cvelistV5 (CNA)
TeamViewer Full Client 15.0 ≤ v < 15.81.5 CVEProject cvelistV5 (CNA)
TeamViewer Host 13.0 ≤ v < 13.2.153978 CVEProject cvelistV5 (CNA)
TeamViewer Host 14.0 ≤ v < 14.7.488838 CVEProject cvelistV5 (CNA)
TeamViewer Host 15.0 ≤ v < 15.81.5 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-08-26
Last updated
2026-08-26
State
Published
Assigner (CNA)
TV

Exploit prediction (EPSS)

1.76%
Probability of exploitation in 30 days
78.1%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-78
    Improper neutralization of special elements used in an OS command ('OS command injection')