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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
rustdesk rustdesk unaffected
Version Status Constraints
0 affected < 1.5.0

No data.

No data.

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Project Subscriptions

Vendors Products
Rustdesk Subscribe
Rustdesk Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/rustdesk/rustdesk cve-icon cve-icon
https://github.com/rustdesk/rustdesk/blob/1.4.9/libs/clipboard/src/windows/wf_cliprdr.c#L2728-L2770 cve-icon cve-icon
https://github.com/rustdesk/rustdesk/blob/1.4.9/src/ui_cm_interface.rs#L618-L638 cve-icon cve-icon
https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4 cve-icon cve-icon
https://github.com/rustdesk/rustdesk/pull/16333 cve-icon cve-icon
https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-one-way-file-transfer-bypass cve-icon cve-icon
History

Fri, 25 Sep 2026 20:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-25T20:25:18.041Z

Reserved: 2026-09-25T20:19:11.490Z

Link: CVE-2026-100417

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-09-25T21:17:22.957

Modified: 2026-09-25T21:17:23.080

Link: CVE-2026-100417

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T21:45:17Z

Weaknesses