CVE-2026-9775 ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability
Remote authenticated attackers can delete arbitrary files via path traversal in the uploadSSL method, causing data loss or denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9775?
CVE-2026-9775 is a medium-severity path traversal vulnerability in ATEN Unizon, published on 24 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.
The specific flaw exists within the uploadSSL 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 delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28503.
Weakness: CWE-22
Which versions are affected by CVE-2026-9775?
It affects 1 product.
Products include Aten Unizon.
How do I fix CVE-2026-9775?
No fix has been published for CVE-2026-9775 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-9775 being exploited?
There is no known exploitation of CVE-2026-9775 in the wild and no public exploit code.
Other vulnerabilities in ATEN Unizon
- CVE-2026-9776 ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability
- CVE-2026-9777 ATEN Unizon restoreDB Directory Traversal Remote Code Execution Vulnerability
- CVE-2026-9778 ATEN Unizon ImportDeviceList Directory Traversal Remote Code Execution Vulnerability
- CVE-2026-9779 ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability
- CVE-2026-9774 ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability
Sources
Also known as GHSA-cxx8-7x7p-5ccv.