Inclusion of Sensitive Information in Log Files in WS_FTP - CVE-2026-90861
Published: October 29, 2026
Vulnerability identifier: #VU158503
CSH Severity: Low
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90861
CWE-ID: CWE-532
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to obtain privileged passwords and escalate administrative privileges.
The vulnerability exists due to insertion of sensitive credentials into activity logs in Progress WS_FTP Server when recording activity. A remote privileged user can read exposed privileged passwords in accessible activity logs and use them to gain greater administrative privileges.
Affected software
WS_FTP
How to mitigate CVE-2026-90861
Install security update from vendor's website.
WS_FTP - addressed in versions 9.0.7, 10.0.4