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 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.
Published:Oct 28, 2026
Last Modified:Oct 28, 2026
EPS:Oct 28, 2026
EPSS Score:
CVSS Score:9.4
Affected Products
Vendor
Product
Action
Vendor
Wing Soft Technology
Product
Wing Ftp Server
Wing Soft Technology
Wing Ftp Server
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
