CVE-2026-2490
Received Received - Intake
Information Disclosure via Symbolic Link in RustDesk Windows Client

Publication date: 2026-02-20

Last updated on: 2026-02-20

Assigner: Zero Day Initiative

Description
RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of RustDesk Client for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Transfer File feature. By uploading a symbolic link, an attacker can abuse the service to read arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-27909.
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Meta Information
Published
2026-02-20
Last Modified
2026-02-20
Generated
2026-06-16
AI Q&A
2026-02-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2490
EUVD
EUVD-2026-7767
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
rustdesk client *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
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Executive Summary

This vulnerability exists in the RustDesk Client for Windows, specifically in its Transfer File feature. It allows a local attacker who can execute low-privileged code on the target system to disclose sensitive information. The attacker can upload a symbolic link to abuse the service and read arbitrary files on the system, potentially accessing information with SYSTEM-level privileges.

Impact Analysis

The vulnerability can lead to sensitive information disclosure on affected systems. Since an attacker can read arbitrary files with SYSTEM-level context, this could expose confidential data, system files, or other protected information, potentially compromising the security and privacy of the affected system.

Compliance Impact

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Detection Guidance

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