[ CVE-2026-100417 · Published 25 Sep 2026 ]
Vulnerability in rustdesk
CVSS 3.1
EPSS <1%1 agency advisoryNo fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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BSI CERT-BundWID-SEC-2026-3589
RustDesk: Vulnerability allows information disclosure Translated from German
[ References ]References
- github.com/rustdesk/rustdesk
- github.com/rustdesk/rustdesk/blob/1.4.9/libs/clipboard/src/windows/wf_cliprdr.c
- github.com/rustdesk/rustdesk/blob/1.4.9/src/ui_cm_interface.rs
- github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4
- github.com/rustdesk/rustdesk/pull/16333
- www.vulncheck.com/advisories/rustdesk-before-1.5.0-one-way-file-transfer-bypass