CVE-2026-55477

Authenticated Arbitrary File Write via Database Import and Xray Log Path Manipulation

Published Jun 25, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-jm48-m3rr-9hgg 3X-UI Vulnerable to Authenticated Arbitrary File Write via Database Import and Xray Log Path Manipulation
History
Type Values Removed Values Added
First Time appeared Mhsanaei
Mhsanaei 3x-ui
Vendors & Products Mhsanaei
Mhsanaei 3x-ui
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Authenticated Arbitrary File Write via Database Import and Xray Log Path Manipulation
Weaknesses CWE-73
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 25, 2026, 3:48 PM
Reserved
Jun 16, 2026, 10:10 PM
Status
Deferred
Published
Jun 25, 2026, 4:16 PM
Modified
Oct 25, 2026, 10:10 PM