Improper access control in WS_FTP - CVE-2026-90867
Published: October 29, 2026
Vulnerability identifier: #VU158501
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90867
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to reach the administrative console from untrusted networks.
The vulnerability exists due to improper access control in the Web Admin console of Progress WS_FTP Server when handling connections under the default configuration. A remote attacker can connect from an untrusted network to reach an administrative interface that should be restricted.
Affected software
WS_FTP
How to mitigate CVE-2026-90867
Install security update from vendor's website.
WS_FTP - addressed in versions 9.0.7, 10.0.4