CVE-2026-19911: (0Day) PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability

Published Aug 14, 2026
·
Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability. The specific flaw exists within the application installer. The issue results from the lack of proper verification of a cryptographic signature before installing an application. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root.

Affected Software

1 affected component
PAX Technology Q80

Event History

Aug 14, 2026
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-19911?

CVE-2026-19911 has a severity rating of 7.5, which is considered high.

2

What type of vulnerability is CVE-2026-19911?

CVE-2026-19911 is a remote code execution vulnerability due to a signature verification bypass in the PAX Technology Q80 application installer.

3

How do I fix CVE-2026-19911?

To fix CVE-2026-19911, apply the latest security updates provided by PAX Technology for the Q80 application.

4

Who is affected by CVE-2026-19911?

Organizations using the PAX Technology Q80 are at risk of CVE-2026-19911 if they haven't updated their installations.

5

Can CVE-2026-19911 be exploited without authentication?

Yes, CVE-2026-19911 can be exploited by network-adjacent attackers without any authentication requirements.

Contact

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