Vulnerability · Published Aug 14, 2026 · Assigned by zdi

CVE-2026-19910PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability

High 7.5

In plain English

A high-severity security flaw in Q80 from PAX Technology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)0.3%top 78.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability. 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. Was ZDI-CAN-30585.

Affected products (as reported)

Vendor	Product	Versions
PAX Technology	Q80	2.6.33.6690R

Weakness: CWE-347 · Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-26-526 x_research-advisory