How severe is CVE-2026-30793?

CVE-2026-30793 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-30793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30793?

CVE-2026-30793 affects Rustdesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30793?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-30793 have an EU (EUVD) identifier?

Yes. CVE-2026-30793 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9827.

When was CVE-2026-30793 published?

CVE-2026-30793 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-30793

CVE-2026-30793 is a critical-severity vulnerability in Rustdesk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9827
Weakness: CWE-285
Affected product: Rustdesk
Published: 2026-03-05
Last modified: 2026-06-17

Description

Cross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, FFI bridge modules) allows Privilege Escalation. This vulnerability is associated with program files flutter/lib/common.Dart, src/flutter_ffi.Rs and program routines URI handler for rustdesk://password/, bind.MainSetPermanentPassword(). This issue affects RustDesk Client: through 1.4.5.

Frequently asked questions

What is CVE-2026-30793?: Cross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, FFI bridge modules) allows Privilege Escalation. This vulnerability is associated with program files flutter/lib/common.Dart, src/flutter_ffi.Rs and program routines URI handler for rustdesk://password/, bind.MainSetPermanentPassword(). This issue affects RustDesk Client: through 1.4.5.
How severe is CVE-2026-30793?: CVE-2026-30793 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-30793 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30793?: CVE-2026-30793 affects Rustdesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30793?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-30793 have an EU (EUVD) identifier?: Yes. CVE-2026-30793 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9827.
When was CVE-2026-30793 published?: CVE-2026-30793 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:webclient:*:*:*

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