Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS,… (CVE-2026-30796)
RustDesk Server Pro versions prior to 1.7.6 have a vulnerability where sensitive information, specifically a preset address book password, is transmitted in cleartext via the address book sync API modules. This affects Windows, MacOS, and Linux versions of rustdesk-server-pro. No official patch or remediation information is provided in the available data.
AI Analysis
Technical Summary
CVE-2026-30796 is a vulnerability in RustDesk Server Pro prior to version 1.7.6 where the Heartbeat API handler transmits a preset address book password in plaintext. This cleartext transmission of sensitive information occurs through the address book sync API modules, exposing the password to potential interception by network sniffing. The vulnerability affects multiple operating systems including Windows, MacOS, and Linux. No official patch or remediation guidance is currently provided.
Potential Impact
The vulnerability allows an attacker with network access to intercept sensitive credentials transmitted in cleartext, potentially compromising the address book password. This could lead to unauthorized access or further exploitation depending on the use of the exposed credentials. The vulnerability is rated as high severity based on the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid transmitting sensitive information over untrusted networks or use additional network-level encryption such as VPNs or TLS proxies to protect communications involving the address book sync API.
Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS,… (CVE-2026-30796)
Description
RustDesk Server Pro versions prior to 1.7.6 have a vulnerability where sensitive information, specifically a preset address book password, is transmitted in cleartext via the address book sync API modules. This affects Windows, MacOS, and Linux versions of rustdesk-server-pro. No official patch or remediation information is provided in the available data.
CVSS v4.0
Affected software
pkg:github/rustdesk/rustdesk-server-proRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-30796 is a vulnerability in RustDesk Server Pro prior to version 1.7.6 where the Heartbeat API handler transmits a preset address book password in plaintext. This cleartext transmission of sensitive information occurs through the address book sync API modules, exposing the password to potential interception by network sniffing. The vulnerability affects multiple operating systems including Windows, MacOS, and Linux. No official patch or remediation guidance is currently provided.
Potential Impact
The vulnerability allows an attacker with network access to intercept sensitive credentials transmitted in cleartext, potentially compromising the address book password. This could lead to unauthorized access or further exploitation depending on the use of the exposed credentials. The vulnerability is rated as high severity based on the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid transmitting sensitive information over untrusted networks or use additional network-level encryption such as VPNs or TLS proxies to protect communications involving the address book sync API.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-v69h-c25q-f3jf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-30796"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a5d27ae2a4a8d59891328c3
Added to database: 07/19/2026, 19:38:22 UTC
Last enriched: 07/19/2026, 20:41:39 UTC
Last updated: 07/21/2026, 02:02:25 UTC
Views: 22
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