High severity · published Oct 29, 2026
CVE-2026-90867
Improper Access Control of Web Admin Console in Progress WS_FTP Server
New
8.1
CVSS
–
EPSS
No
On KEV
Description
Improper access control in the Web Admin console of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could expose administrative functionality to remote authentication attempts.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
WS_FTP Server · Progress Software
before 2024.0.7; before 2025.0.4 · source: vendor
Affected product
WS
WS_FTP Server
Progress Software
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Virtual Folder Path Confinement Bypass in Progress WS_FTP Server
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CVE-2026-90863
Privilege Escalation via Missing Authorization in WS_FTP Manager