CVE-2026-55477
Authenticated Arbitrary File Write via Database Import and Xray Log Path Manipulation
Description
3X-UI is a web control panel for managing Xray-core servers. Prior to 3.3.1, an authenticated administrator can abuse the database import functionality to achieve arbitrary file write on the host by modifying Xray configuration values stored in the database. This can be leveraged to obtain code execution and persistent access as the user running Xray (including root when Xray is running as root). This vulnerability is fixed in 3.3.1.
INFO
Published Date :
June 25, 2026, 3 p.m.
Last Modified :
June 25, 2026, 3 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Solution
- Update 3X-UI to version 3.3.1 or later.
- Review and secure database import functionality.
- Restrict administrator access to sensitive functions.
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