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CVE-2026-19042

8.8 · HIGH

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…

Published Aug 26, 2026CWE-78EPSS 2.00%

Overview

CVE-2026-19042 is a high-severity vulnerability. It was published on August 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1009/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-19042?

CVE-2026-19042 is a high-severity vulnerability. It was published on August 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-19042?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-19042?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-19042?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-19042 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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