CVE-2026-30797

Name: CVE-2026-30797
Creator: NVD / NIST
Published: 2026-03-05T16:16:21.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2026-30797 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. Missing Authorization vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, config import modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files flutter/lib/common.Dart and program routines importConfig() via URI handler. This issue affects RustDesk Client: through 1.4.5.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Missing Authorization vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, config import modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files flutter/lib/common.Dart and program routines importConfig() via URI handler. This issue affects RustDesk Client: through 1.4.5.

Metrics

CVSS 3.1

8.1/10

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

CVSS 4.0

9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rustdesk	Rustdesk	<= 1.4.5

References

https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubExploit, Third Party Advisory
https://rustdesk.com/docs/en/client/Product
https://www.vulsec.org/Not Applicable

Timeline

Published: Mar 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-30797?

How severe is CVE-2026-30797?

CVE-2026-30797 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST