Vulnerability in Rustdesk Client For Windows

CVE-2026-2490

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.

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2490?
CVE-2026-2490 is a medium-severity vulnerability in Rustdesk Client For Windows, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2026-02-20.
How severe is CVE-2026-2490?
Medium severity. CVSS v3 base score is 5.5 out of 10.