CVEvulnerability
CVE-2026-9776
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-24
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• aten unizon (< 2.7.264)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://www.aten.com/global/en/supportcenter/info/security-advisory/29/ Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-380/ Third Party Advisory