CVE-2026-44403
HighSummary
Wing FTP Server before version 8.1.3 contains an authenticated remote code execution vulnerability in the session serialization mechanism. This allows authenticated administrators to inject arbitrary Lua code through the mydirectory field in the admin panel.
Risk Assessment
Attackers can exploit this vulnerability to execute malicious code on the server, potentially leading to severe security breaches and data loss. Organizations should be aware of the risks associated with unauthorized access to the system.
Recommendation
It is recommended to update Wing FTP Server to version 8.1.3 or later to mitigate this vulnerability. Additionally, monitoring and auditing access to the admin panel should be implemented to detect potential attack attempts.
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Original NVD description (English source)
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().