---
id: CVE-2026-84294
title: Information Disclosure in Ad Hoc Transfer in Progress WS_FTP Server
summary: >-
  Improper limitation of pathname in the Ad Hoc Transfer component of Progress
  Software WS_FTP Server versions prior to 2024.0.6 and 2025.0.3 on Windows
  could allow an authenticated user to access files outside intended
  directories.
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: Progress Software
product: WS_FTP Server
affected:
  - ws_ftp_server < 2024.0.6
  - ws_ftp_server < 2025.0.3
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T15:43:29.463Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-84294'
references:
  - url: >-
      https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view
tags:
  - cve.org
epss: 0.00352
epssPercentile: 0.289
ingestedAt: '2026-11-01T20:00:16.981Z'
---

## Overview

Improper limitation of pathname in the Ad Hoc Transfer component of Progress Software WS_FTP Server versions prior to 2024.0.6 and 2025.0.3 on Windows could allow an authenticated user to access files outside intended directories.

## Affected

- `ws_ftp_server < 2024.0.6`
- `ws_ftp_server < 2025.0.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

Restrict Ad Hoc Transfer functionality to trusted users, or disable it if not required. Apply least-privilege permissions to relevant service accounts.