Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-44403

Wing FTP Server before 8.1.3 contains an authenticated remote code execution vulnerability in the session serialization mechanism that allows authenticated administrators to inject arbitrary Lua code through the domain admin mydirectory field. Attackers can exploit unsafe serialization of session values into Lua source code without proper escaping of closing delimiters, causing the injected code to be executed when the poisoned session is loaded via loadfile().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 70.5%
CVSS Severity
CVSS v3 Score 7.2
Products affected by CVE-2026-44403


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