CVE-2026-100417

RustDesk before 1.5.0 One-Way File Transfer Bypass

Published Sep 25, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
RustDesk before 1.5.0 on Windows fails to enforce the one-way file transfer option against peer clipboard file requests, allowing authenticated peers to read files from the host clipboard. Attackers can send FormatDataRequest and FileContentsRequest messages to retrieve copied files by guessing the FileGroupDescriptorW format identifier.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description RustDesk before 1.5.0 on Windows fails to enforce the one-way file transfer option against peer clipboard file requests, allowing authenticated peers to read files from the host clipboard. Attackers can send FormatDataRequest and FileContentsRequest messages to retrieve copied files by guessing the FileGroupDescriptorW format identifier.
Title RustDesk before 1.5.0 One-Way File Transfer Bypass
First Time appeared Rustdesk
Rustdesk rustdesk
Weaknesses CWE-862
CPEs cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:*:*:*:*
Vendors & Products Rustdesk
Rustdesk rustdesk
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 30, 2026, 12:09 AM
Reserved
Sep 25, 2026, 8:19 PM
Status
Deferred
Published
Sep 25, 2026, 9:17 PM
Modified
Sep 30, 2026, 1:16 AM