CVE-2026-30785
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 0% of all known CVEs.
References
Related Vulnerabilities
Other CWE-257 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2026-20128 | High | 7.5 | 6.9% | KEV | Fix |
| CVE-2023-23382 | Medium | 6.5 | 3.1% | - | Fix |
| CVE-2019-1010241 | Medium | 6.5 | 1.5% | - | - |
| CVE-2024-32151 | Medium | 5.9 | 1.3% | - | - |
| CVE-2021-27485 | High | 7.5 | 1.2% | - | Fix |
| CVE-2021-0220 | Medium | 6.8 | 1.2% | - | - |
Common questions
How do I fix CVE-2026-30785?
No published fix for CVE-2026-30785 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-30785 being actively exploited?
Not that we know of. CVE-2026-30785 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.08% is the estimated probability that it will be exploited in the next 30 days. That is higher than 0% of all scored CVEs.
How severe is CVE-2026-30785?
CVE-2026-30785 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-25.