HIGH 7.2 GitHub
CVE-2026-55477
3X-UI Vulnerable to Authenticated Arbitrary File Write via Database Import and Xray Log Path Manipulation
# Summary
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).
# Details
The database import functionality trusts attacker-controlled configuration values without sufficient validation.
An authenticated administrator can expor
Affected Products
- go/github.com/mhsanaei/3x-ui/v3 <= 3.3.0
- go/github.com/mhsanaei/3x-ui/v2 <= 2.9.4
References
- https://github.com/advisories/GHSA-jm48-m3rr-9hgg
- https://github.com/MHSanaei/3x-ui/security/advisories/GHSA-jm48-m3rr-9hgg
- https://nvd.nist.gov/vuln/detail/CVE-2026-55477
- https://github.com/MHSanaei/3x-ui/commit/80e168787ed608e83a065033ee94c8bfc3025ce7
This high severity vulnerability with a CVSS score of 7.2 was published on 2026-08-24 via GitHub. Affected: go/github.com/mhsanaei/3x-ui/v3 <= 3.3.0, go/github.com/mhsanaei/3x-ui/v2 <= 2.9.4.
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