ZDI-26-526: (0Day) PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability
Published Aug 5, 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 ZDI has assigned a CVSS rating of 7.5.
Affected Software
1 affected component
PAX Technology Q80
Event History
Aug 5, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What is the severity of ZDI-26-526?
The vulnerability ZDI-26-526 has a CVSS rating of 7.5, indicating a high risk.
2
How do I fix ZDI-26-526?
To mitigate ZDI-26-526, ensure that you update the PAX Technology Q80 software with the latest security patches provided by the vendor.
3
What type of vulnerability is ZDI-26-526?
ZDI-26-526 is a remote code execution vulnerability due to signature verification bypass.
4
Who can exploit ZDI-26-526?
ZDI-26-526 can be exploited by network-adjacent attackers without the need for authentication.
5
What are the potential impacts of ZDI-26-526?
If exploited, ZDI-26-526 can allow attackers to execute arbitrary code on affected installations of PAX Technology Q80.