Improper Authentication in WS_FTP - CVE-2026-84295

 

Improper Authentication in WS_FTP - CVE-2026-84295

Published: October 29, 2026


Vulnerability identifier: #VU158493
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84295
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication and potentially gain unauthorized access.

The vulnerability exists due to improper authentication and insufficient protection of credentials in Progress WS_FTP Server when handling authentication. A remote attacker can exploit these weaknesses to potentially gain access without satisfying the intended authentication requirements.


Affected software

WS_FTP

How to mitigate CVE-2026-84295

Install security update from vendor's website.

WS_FTP - addressed in versions 9.0.7, 10.0.4

External References

Related Security Bulletins