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CVE-2026-30789

CRITICAL CVSS 4.0: 9.3 EPSS 0.17%
Updated Mar 25, 2026
Google
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions before 1.4.5
Type CWE-294 (Authentication Bypass by Capture-Replay), CWE-916
Vendor Google
Public PoC No

Authentication Bypass by Capture-replay, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Client login, peer authentication modules) allows Reusing Session IDs (aka Session Replay). This vulnerability is associated with program files src/client.Rs and program routines hash_password(), login proof construction. This issue affects RustDesk Client: through 1.4.5.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 6

Configuration From (including) Up to (excluding)
Rustdesk Rustdesk
cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:webclient:*:*:*
<= 1.4.5
Apple Iphone_Os
cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*
Apple Macos
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Google Android
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Linux Linux_Kernel
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Microsoft Windows
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*