CVE-2026-100417

Low

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.

SeverityLow

CVSS3.1

Exploit probability—

ProductRustdesk

PublishedSep 25, 2026

First seenSep 25, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

rustdesk rustdesk1.5.0 or later

Patches

github.com/rustdesk/rustdesk/pull/16333
github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4

Affected products

Product	Affected versions	Fixed in
rustdesk rustdesk	v < 1.5.0	1.5.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.