CVE-2026-90865 — CRITICAL (9.0)

Vulnerability Description

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 with elevated privileges under certain configurations.

CVSS Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-88 CWE-78

References

https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86I

FAQ

What is CVE-2026-90865?

CVE-2026-90865 is a vulnerability with a CVSS score of 9.0 (CRITICAL). 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 with elevated privileges under certa...

How severe is CVE-2026-90865?

CVE-2026-90865 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-90865?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.