CVE-2026-19908highCWE-306

CVE-2026-19908: high-severity vulnerability in PAX Technology Q80

PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability

Published · Updated

Follow this CVE+ Monitor Q80

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.4%
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.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products
PAX Technology · Q80
Related CVEs — PAX Technology Q80

In the same product, most dangerous first.

CVE-2026-19909HIGHPAX Technology Q80 AIP File Parsing Link Following Remote Code Execution VulnerabilityEPSS 0.5%CVE-2026-19910HIGHPAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution VulnerabilityEPSS 0.3%