CVE-2026-2490CWE-59

RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability

Medium · published February 20, 2026

CVSS v3.0
5.5
EPSS
0%
Percentile
28.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
5.5 · MEDIUM
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00359 · 28.5th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-02-20T22:24Z
EPSS history
Timeline
  • 20 FEB 22:24Z
    RustDesk Client for Windows Transfer File Link Following Information Disclosure Vulnerability
    cvelistv5