HOMEVULNERABILITIESCVE-2026-2490
MEDIUM

CVE-2026-2490

CWE-59Published: February 20, 2026· Updated: Feb 23, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.9th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-2490 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (2)

→
https://github.com/rustdesk/rustdesk/pull/13736
→
https://www.zerodayinitiative.com/advisories/ZDI-26-117/

Quick Facts

CVE IDCVE-2026-2490
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-59
CISA KEVNo
EPSS (30d)0.01%
PublishedFeb 20, 2026

Related CVEs (CWE-59)

CVE-2026-7374
9.9
CVE-2026-44881
9.9
CVE-2026-50549
9.8
CVE-2025-66277
9.8
CVE-2026-53476
9.6
CVE-2026-41397
9.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-2490 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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