rustdesk-client RustDesk Client up to 1.4.5 URI flutter/lib/common.Dart MainSetPermanentPassword improper authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in rustdesk-client RustDesk Client up to 1.4.5. The affected element is the function MainSetPermanentPassword in the library flutter/lib/common.Dart of the component URI Handler. The manipulation results in improper authorization.
This vulnerability is reported as CVE-2026-30793. The attack can be launched remotely. No exploit exists.
Details
A vulnerability, which was classified as critical, was found in rustdesk-client RustDesk Client up to 1.4.5. Affected is the function MainSetPermanentPassword in the library flutter/lib/common.Dart of the component URI Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Cross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, FFI bridge modules) allows Privilege Escalation. This vulnerability is associated with program files flutter/lib/common.Dart, src/flutter_ffi.Rs and program routines URI handler for rustdesk://password/, bind.MainSetPermanentPassword(). This issue affects RustDesk Client: through 1.4.5.
The weakness was disclosed by Erez Kalman. This vulnerability is traded as CVE-2026-30793 since 03/05/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/25/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper authorizationCWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
03/05/2026 Advisory disclosed03/05/2026 CVE reserved
03/05/2026 VulDB entry created
03/25/2026 VulDB entry last update
Sources
Researcher: Erez KalmanStatus: Not defined
CVE: CVE-2026-30793 (🔒)
GCVE (CVE): GCVE-0-2026-30793
GCVE (VulDB): GCVE-100-349212
Entry
Created: 03/05/2026 17:53Updated: 03/25/2026 16:42
Changes: 03/05/2026 17:53 (67), 03/25/2026 16:42 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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