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CVE-2026-9776

HIGH
7.5
CVSS 3.0
Description
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 not required to exploit this vulnerability. The specific flaw exists within the writeFileToHttpServletResponse method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-28505.

Metadata

CVE ID
CVE-2026-9776
State
PUBLISHED
Assigner
zdi
Reserved
2026-05-27 22:19 UTC
Published
2026-06-24 21:36 UTC
Last updated
2026-06-24 21:36 UTC
Primary CWE
CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product
ATEN / Unizon
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products (1)
VendorProductPlatformVersions
ATEN Unizon — 2.7.262.002
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.5 HIGH 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References (2)
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