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CVE-2026-58056 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded screenshot and display-capture handlers, acting outside its granted scope.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:7.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/bikini/exploitarium/tree/main/rustdesk-session-permission-pocs	[email protected]	BundleExploit
https://www.vulncheck.com/advisories/rustdesk-filetransfer-session-authorization-scope-bypass	[email protected]	AdvisoryBundleExploit

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
RustDesk	<= ff226f6d8013dee2de5a6553abaf67bf32b3e875
CPE cpe:2.3:a:rustdesk:rustdesk:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 18, 2026	CVE Modified	[email protected]
Jun 29, 2026	CVE Modified	CISA-ADP
Jun 28, 2026	New CVE Received	[email protected]