How severe is CVE-2026-3598?

CVE-2026-3598 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-3598 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3598?

CVE-2026-3598 affects Rustdesk Rustdesk Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3598?

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

Does CVE-2026-3598 have an EU (EUVD) identifier?

Yes. CVE-2026-3598 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9823.

When was CVE-2026-3598 published?

CVE-2026-3598 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-3598

CVE-2026-3598 is a high-severity vulnerability in Rustdesk Rustdesk Server with a CVSS 3.x base score of 7.5. 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9823
Weakness: CWE-327
Affected product: Rustdesk Rustdesk Server
Published: 2026-03-05
Last modified: 2026-06-17

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Config string generation, web console export modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program routines Config export/generation routines. This issue affects RustDesk Server Pro: through 1.7.5.

Frequently asked questions

What is CVE-2026-3598?: Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Config string generation, web console export modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program routines Config export/generation routines. This issue affects RustDesk Server Pro: through 1.7.5.
How severe is CVE-2026-3598?: CVE-2026-3598 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-3598 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3598?: CVE-2026-3598 affects Rustdesk Rustdesk Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3598?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3598 have an EU (EUVD) identifier?: Yes. CVE-2026-3598 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9823.
When was CVE-2026-3598 published?: CVE-2026-3598 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rustdesk:rustdesk_server:*:*:*:*:pro:*:*:*

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