High 8.2Published Mar 5, 2026

CVE-2026-30785RustDesk Encrypts Local Passwords with World-Readable Machine ID and Fixed Zero Nonce (XSalsa20-Poly1305)

Updated under an hour ago (Oct 28, 2026, 12:30 AM ET)

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It affects rustdesk-client RustDesk Client and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for rustdesk-client RustDesk Client

Exploited in the last 30 days

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.

CVSS: 8.2 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Weakness (CWE): CWE-257, CWE-1321, CWE-323, CWE-916
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VULSec
NVD analysis: Analyzed
Record last updated: Mar 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

rustdesk-client RustDesk Client rustdesk_client:rustdesk_client (from the name)	through 1.4.5	CNA record
rustdesk rustdesk rustdesk:rustdesk	through 1.4.5	NVD

References

References

https://github.com/rustdesk/rustdesk/discussions/9229	technical-description, x---config-documentation, issue-tracking
https://github.com/rustdesk/rustdesk/discussions/4979	technical-description, x---config-documentation, issue-tracking
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub	third-party-advisory, exploit
https://www.vulsec.org/	vdb-entry, third-party-advisory, not-applicable

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.