CVE-2026-19908

PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability

Published Aug 14, 2026 CVSS 3.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Paxtechnology
Paxtechnology q80
Vendors & Products Paxtechnology
Paxtechnology q80
Type Values Removed Values Added
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.
Title PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability
Weaknesses CWE-306
References
Metrics cvssV3_0

{'score': 7.1, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Aug 17, 2026, 7:52 PM
Reserved
Aug 14, 2026, 7:58 PM
Status
Deferred
Published
Aug 14, 2026, 8:16 PM
Modified
Sep 1, 2026, 8:57 PM