PT-2026-20860 · Rustdesk · Rustdesk Client For Windows

Mad31K · Published 2026-02-19 · Updated 2026-02-23 · CVE-2026-2490

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions RustDesk Client for Windows (affected versions not specified)

Description A security issue exists in RustDesk Client for Windows related to the Transfer File feature. A local attacker with low-privileged code execution capabilities can disclose sensitive information. This is achieved by uploading a symbolic link, which allows the service to read arbitrary files, potentially in the context of SYSTEM.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2026-2490

ZDI-26-117

Affected Products

Rustdesk Client For Windows

References · 7

• https://github.com/rustdesk/rustdesk/pull/13736 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2490 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2490 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-117 · Security Note
• https://twitter.com/SystemTek_UK/status/2025964322023772182 · Twitter Post
• https://twitter.com/CVEnew/status/2024988719305162941 · Twitter Post
• https://t.me/CVEtracker/45326 · Telegram Post