What is CVE-2026-9776?

CVE-2026-9776 is a high-severity vulnerability in Aten Unizon, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-24.

How severe is CVE-2026-9776?

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

Path Traversal in Aten Unizon

CVE-2026-9776

ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of ATEN Unizon. Authentication is n…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Aten Unizon — versions 2.7.262.002

Weakness classification (CWE)

CWE-22 — Path Traversal

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-9776?: CVE-2026-9776 is a high-severity vulnerability in Aten Unizon, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-24.
How severe is CVE-2026-9776?: High severity. CVSS v3 base score is 7.5 out of 10.