CVE-2026-2490 MEDIUM

CVE-2026-2490: RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability

Vendor Rustdesk
Product Client for Windows
Weakness CWE-59
Published February 20, 2026
Last update February 24, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 20, 2026 CVE published
February 24, 2026 Record updated