CVE-2026-100417

LOW 3.1

RustDesk before 1.5.0 One-Way File Transfer Bypass

CVSS Score

3.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	rustdesk
Product	rustdesk
Published	Sep 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

rustdesk / rustdesk

0 < 1.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

RustDesk