Eval Injection in WS_FTP - CVE-2026-90872
Published: October 29, 2026
Vulnerability identifier: #VU158504
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-2026-90872
CWE-ID: CWE-95
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary server-side code and commands.
The vulnerability exists due to improper neutralization of directives in dynamically evaluated code in the Manager web interface of Progress WS_FTP Server when processing administrative input. A remote privileged user can submit crafted script directives through the administrative interface to execute arbitrary server-side code and commands.
Affected software
WS_FTP
How to mitigate CVE-2026-90872
Install security update from vendor's website.
WS_FTP - addressed in versions 9.0.7, 10.0.4