CVE-2026-90868 PUBLISHED

OS Command Injection in Progress WS_FTP Server

Assigner: ProgressSoftware
Reserved: 14.09.2026 Published: 29.10.2026 Updated: 29.10.2026

An OS command injection vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow arbitrary command execution under certain configurations.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software
Product	WS_FTP Server
Versions	Default: unaffected affected from 0 to 2024.0.7 (excl.) affected from 0 to 2025.0.4 (excl.)

Workarounds

Contact Progress Software Technical Support for guidance on available mitigations.

Credits

Yash Kumar Kumawat (ykk0x) finder

References

https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view

Problem Types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE
CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') CWE

Impacts

OS Command Injection - allows injection of shell operators and execution of arbitrary commands