Vulnerability DatabaseCVE-2026-100417
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CVE-2026-100417
Published:September 25, 2026
Updated:October 15, 2026
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.
Affected Packages
https://github.com/rustdesk/rustdesk.git (GITHUB):
Affected version(s) >=1.4.0 <1.5.0
Fix Suggestion:
Update to version 1.5.0
Related Resources (8)
https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-one-way-file-transfer-bypass
https://github.com/rustdesk/rustdesk/pull/16333
https://github.com/rustdesk/rustdesk/blob/1.4.9/src/ui_cm_interface.rs#L618-L638
https://github.com/rustdesk/rustdesk
https://nvd.nist.gov/vuln/detail/CVE-2026-100417
https://github.com/rustdesk/rustdesk/blob/1.4.9/libs/clipboard/src/windows/wf_cliprdr.c#L2728-L2770
https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100417.json
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CVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Missing Authorization
CWE-862
EPSS
Base Score:
0.21