Vulnerability
CVE-2026-100388
Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.
- Sharing
- PUBLIC-OSINT
- Confidence
- 100
- Source
- The CVE Program
- Updated
- 26/09/2026 04:47
Description
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.
Aliases and classifications
CWE-862Missing Authorization
Minimised technical details
No raw data- cisa kev
- False
- cvss score
- 5.4
- cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- cvss severity
- MEDIUM
Provenance
Public references
- VulnCheck Advisory: RustDesk before 1.5.0 Missing Authorization Check on Incoming File Clipboard Messages
https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-missing-authorization-check-on-incoming-file-clipboard-messages - technical-description
https://github.com/rustdesk/rustdesk/blob/1.4.9/src/server/connection.rs - patch
https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4 - product
https://github.com/rustdesk/rustdesk - issue-tracking
https://github.com/rustdesk/rustdesk/pull/16333
EudorIA correlation
Intel catalogue
The vulnerability is also available in the EudorIA editorial catalogue.
Open EudorIA analysisPresence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.