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CVE-2026-30791

Rustdesk vulnerability

7.5 HIGHPublic exploitEPSS 0.34%
  1. Published5 Mar 2026

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig(). This issue affects RustDesk Client: through 1.4.5.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Rustdesk≤ 1.4.5

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-30791 being actively exploited?

CVE-2026-30791 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.34%.

How severe is CVE-2026-30791?

CVE-2026-30791 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.34% probability of exploitation.

Which products are affected by CVE-2026-30791?

Affected products include Rustdesk.

How do I fix CVE-2026-30791?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-30791 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.