CRITICAL 9.4 NVD
CVE-2026-105420
Wing FTP Server does not verify user's base folder. An attacker with admin privileges can add user directories via scripts, allowing the added directories to es
Wing FTP Server does not verify user's base folder. An attacker with admin privileges can add user directories via scripts, allowing the added directories to escape the base folder. This allows the attacker to write files on the system and can lead to remote code execution with process owner privileges.Critically, since the installation guide mentions running the command with `sudo`, the files are created as “root.”
This issue was fixed in version 8.2.6.
References
This critical severity vulnerability with a CVSS score of 9.4 was published on 2026-10-28 via NVD.
Risk Timeline
CVE Disclosed2026-10-28 · -1 days ago
Remediation Resources
Official Advisory
cert.pl/en/posts/2026/10/CVE-2026-105420Analysis & PoC
www.wftpserver.com/
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