CVE-2026-30783 — CRITICAL (9.8)

Q: How severe is CVE-2026-30783?

CVE-2026-30783 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-30783?

Check the references section above for vendor advisories and patch information. Affected products include: Rustdesk Rustdesk, Apple Iphone Os, Apple Macos, Google Android, Linux Linux Kernel.

Vulnerability Description

A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.5.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Rustdesk	Rustdesk	<= 1.4.5
Apple	Iphone Os	-
Apple	Macos	-
Google	Android	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-841 CWE-602

References

https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPExploitThird Party Advisory
https://rustdesk.com/docs/en/client/Product
https://www.vulsec.org/Third Party Advisory

FAQ

What is CVE-2026-30783?

CVE-2026-30783 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse...

How severe is CVE-2026-30783?

CVE-2026-30783 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-30783?

Check the references section above for vendor advisories and patch information. Affected products include: Rustdesk Rustdesk, Apple Iphone Os, Apple Macos, Google Android, Linux Linux Kernel.