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High · 7.1 CVE-2026-19908 EUVD-2026-58801GHSA-3c9q-4rh8-prw5

PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability

Published Aug 14, 2026 · Updated Aug 17, 2026 · Assigned by zdi

Description

PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584.

Affected products

VendorProductAffectedFixed
PAX Technology Q80 2.6.33.6690R —

References