CVE-2026-90866
Virtual Folder Path Confinement Bypass in Progress WS_FTP Server
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.
| CWE | CWE-22 CWE-434 |
| Vendor | progress software |
| Product | ws_ftp server |
| Published | Oct 29, 2026 |
| Last Updated | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Progress Software / WS_FTP Server
0 < 2024.0.7 0 < 2025.0.4
References
Credits
Niv Levy (restricted)