← Vulnerability feed

Vulnerability record · CVE-2026-30798 · published 5 March 2026

CVE-2026-30798: Rustdesk insufficient verification of data authenticity vulnerability

Rustdesk · Rustdesk

Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop. This issue affects RustDesk Client: through 1.4.8.

8.2 CVSS 4.0 High EPSS 0.33% · top 76.1% CWE-345 · Insufficient verification of data authenticityCWE-755 · CWE-755
8.2CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
22 Jun 2026Last modified by NVD

Description

Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop. This issue affects RustDesk Client: through 1.4.8.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9a ExploitThird Party Advisory
https://rustdesk.com/docs/en/client/ Product
https://www.vulsec.org/ Third Party Advisory

Track CVE-2026-30798 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-25140Rustdesk improper certificate validation vulnerabilityA default installation of RustDesk 1.2.3 on Windows places a WDKTestCert certificate under Trusted Root Certification Authorities with Enhanced Key U…EPSS 0.51%9.3CVE-2026-30797Rustdesk missing authorization vulnerabilityMissing Authorization vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme han…EPSS 0.56%9.3CVE-2026-30793Rustdesk improper authorization vulnerabilityCross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter UR…EPSS 0.34%8.7CVE-2026-30795Rustdesk cleartext transmission vulnerabilityCleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Andro…EPSS 0.32%8.7CVE-2026-30791Rustdesk broken cryptographic algorithm vulnerabilityUse of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Andr…EPSS 0.33%8.3CVE-2026-30792Rustdesk insufficient verification of data authenticity vulnerabilityA vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Strategy sync, HTTP API client,…EPSS 0.29%8.2CVE-2026-30785Rustdesk prototype pollution vulnerabilityImproperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), Use of Password Hash With Insufficient Computational Effor…EPSS 0.14%5.7CVE-2026-30789Rustdesk vulnerabilityUse of Password Hash With Insufficient Computational Effort, Improper Restriction of Excessive Authentication Attempts vulnerability in rustdesk-clie…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2026-30798), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.