---
id: "CVE-2026-115340"
page: "https://infrastack.ai/live/CVE-2026-115340"
kind: "vulnerability"
aliases: ["CVE-2026-115340"]
title: "WS_FTP Server on Windows writes credentials to temp files"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["file-transfer", "other", "windows", "ws_ftp-server"]
not_affected_if: ["non-windows-hosts", "version-2025.0.5-or-later"]
published_at: "2026-11-09T17:17:11+00:00"
first_seen_at: "2026-11-09T17:27:38+00:00"
updated_at: "2026-11-09T17:28:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-115340", "first_seen_at": "2026-11-09T17:27:38+00:00"}]
exploit_sources: []
---

# WS_FTP Server on Windows writes credentials to temp files

Link for people: https://infrastack.ai/live/CVE-2026-115340 (this .md is for agents)

Before version 2025.0.5, WS_FTP Server on Windows may write sensitive user credential and session data to a temporary file during file transfers. A local user who can read that temporary file could obtain those credentials and sessions.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed WS_FTP Server version in the product's About or admin console; unknown if the sources do not give the exact path.
- Look for temporary files created during transfers on the Windows host; unknown if the sources do not say where they are written.

## Fix

- WS_FTP Server: move to `2025.0.5` or later, per the NVD entry.

## Timeline

- 2026-11-09T17:27:38+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-115340

## From the sources

Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows may write sensitive user credential and session data to a temporary file during file transfer operations.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_