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TI-2026-23621 Aliases CVE-2026-30785GHSA-v738-924g-mm67

RustDesk Encrypts Local Passwords with World-Readable Machine ID and Fixed Zero Nonce (XSalsa20-Poly1305)

Priority HIGH 77CWE-1321Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk, hbb_common on Windows, MacOS, Linux (Password security module, config encryption, machine UID modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files hbb_common/src/password_security.Rs, hbb_common/src/config.Rs, hbb_common/src/lib.Rs (get_uuid), machine-uid/src/lib.Rs and program routines symmetric_crypt(), encrypt_str_or_original(), decrypt_str_or_original(), get_uuid(), get_machine_id(). This issue affects RustDesk Client: through 1.4.5.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00095 0th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
rustdesk-clientRustDesk Clientup to 1.4.5—No fix listedCNA
  • RustDesk Client Vendorrustdesk-client Affected up to 1.4.5 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:-:*:*:*up to 1.4.5Vulnerablerustdesk-client
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:-:*:*:* Versions up to 1.4.5 Vulnerable ·rustdesk-client
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-30785
  2. 2026-10-03 Alias added: GHSA-v738-924g-mm67

References

Exploit 1

Advisory 1

Other 2

  • TI-2024-16591 A default installation of RustDesk 1.2.3 on Windows places a WDKTestCert certificate… CVSS 3.1CRITICAL 9.8
  • TI-2026-23626 RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure CVSS 4.0HIGH 8.7
  • TI-2026-23624 RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings CVSS 4.0HIGH 8.3
  • TI-2026-23629 RustDesk Client Accepts Unauthenticated stop-service Command via Strategy Payload CVSS 4.0HIGH 8.2
  • TI-2026-23628 RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server CVSS 4.0CRITICAL 9.3
  • TI-2026-23625 RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation CVSS 4.0CRITICAL 9.3
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences