What is CVE-2026-19909?

CVE-2026-19909 is a high-severity vulnerability in Pax Technology Q80, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2026-08-14.

How severe is CVE-2026-19909?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Pax Technology Q80

CVE-2026-19909

PAX Technology Q80 AIP File Parsing Link Following 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 parsing of AIP files. By creating a symbolic link, an attacker can abuse the installer process to write arbitrary files. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-30583.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pax Technology Q80 — versions 2.6.33.6690R

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

zdi-disclosures@trendmicro.com (x_research-advisory)

Frequently asked questions

What is CVE-2026-19909?: CVE-2026-19909 is a high-severity vulnerability in Pax Technology Q80, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2026-08-14.
How severe is CVE-2026-19909?: High severity. CVSS v3 base score is 7.5 out of 10.