---
id: CVE-2025-4211
title: >-
  Improper Link Resolution Before File Access ('Link Following') vulnerability
  in QFileSystemEngine in the Qt corelib module on Windows which potentially
  allows Symlink Attacks and the use of Malicious Files
summary: >-
  Improper Link Resolution Before File Access ('Link Following') vulnerability
  in QFileSystemEngine in the Qt corelib module on Windows which potentially
  allows Symlink Attacks and the use of Malicious Files. Issue originates from
  CVE-2024…
severity: none
cwe:
  - CWE-59
published: '2025-05-16'
updated: '2026-07-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-4211'
references:
  - url: 'https://codereview.qt-project.org/c/qt/qtbase/+/632231'
    label: a59d8014-47c4-4630-ab43-e1b13cbe58e3
tags:
  - nvd
epss: 0.00203
epssPercentile: 0.09072
ingestedAt: '2026-07-29T08:45:05.644Z'
---

## Overview

Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine in the Qt corelib module on Windows which potentially allows Symlink Attacks and the use of Malicious Files. Issue originates from CVE-2024-38081. The vulnerability arises from the use of the GetTempPath API, which can be exploited by attackers to manipulate temporary file paths, potentially leading to unauthorized access and privilege escalation. The affected public API in the Qt Framework is QDir::tempPath() and anything that uses it, such as QStandardPaths with TempLocation, QTemporaryDir, and QTemporaryFile.

This issue affects all version of Qt up to and including 5.15.18, from 6.0.0 through 6.5.8, from 6.6.0 through 6.8.1. It is fixed in Qt 5.15.19, Qt 6.5.9, Qt 6.8.2, 6.9.0

## Remediation

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