RustDesk Client on Windows link following

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in RustDesk Client on Windows. It has been declared as problematic. Impacted is an unknown function. Executing a manipulation can lead to link following. This vulnerability is tracked as CVE-2026-2490. The attack is restricted to local execution. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in RustDesk Client on Windows (version now known). It has been declared as problematic. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

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 advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2026-2490. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/19/2026 Advisory disclosed
02/19/2026 +0 days VulDB entry created
02/22/2026 +3 days VulDB entry last update

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2026-2490 (🔒)
GCVE (CVE): GCVE-0-2026-2490
GCVE (VulDB): GCVE-100-346912

Entryinfo

Created: 02/19/2026 16:04
Updated: 02/22/2026 22:50
Changes: 02/19/2026 16:04 (50), 02/22/2026 22:50 (12)
Complete: 🔍
Cache ID: 216::103

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