High severity7.5NVD Advisory· Published Jun 24, 2026· Updated Jun 27, 2026
CVE-2026-9776
CVE-2026-9776
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.
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Affected products
2Patches
Vulnerability mechanics
References
2- www.aten.com/global/en/supportcenter/info/security-advisory/29/nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-26-380/nvdThird Party Advisory
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