CVE-2026-90866

CriticalCVSS 9.1/10Last modified Oct 30, 2026

Description

A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-22 CWE-434

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Progress Software	WS_FTP Server	< 2024.0.7; < 2025.0.4

References

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

Timeline

Published: Oct 29, 2026
Last modified: Oct 30, 2026
NVD status: Awaiting Analysis

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