CVE-2026-100388
MEDIUMCVSS 5.4Description
RustDesk versions before 1.5.0 fail to properly validate file transfer permissions on incoming file clipboard messages in the Cliprdr message handler on Linux and macOS. Authenticated remote peers with disabled file transfer permissions can place files onto the host clipboard and retrieve copied files and contents from the process-wide clipboard cache.
Timeline
Published:September 25th, 2026 9:17 PM
Last modified:September 30th, 2026 1:16 AM
CVSS Scoring
CVSS v3: 5.4 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/rustdesk/rustdesk
- https://github.com/rustdesk/rustdesk/blob/1.4.9/src/server/connection.rs#L3074-L3092
- https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4
- https://github.com/rustdesk/rustdesk/pull/16333
- https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-missing-authorization-check-on-incoming-file-clipboard-messages
Source: NIST NVD · Data may lag official sources by up to one minute