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🛡️ CVE-2026-30798 — rustdesk

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-345 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation.

This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop.

This issue affects RustDesk Client: through 1.4.8.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-30798 is classified as CWE-345: Insufficient Verification of Data Authenticity. Data is trusted without confirming it really came from the claimed source and was not altered.

Affected software

CVE-2026-30798 is recorded against 1 package.

  • rustdesk (fixed in 1.4.5)

Timeline and source

Published on 5 March 2026 and last revised on 22 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

docs.google.com
rustdesk.com
www.vulsec.org

Other advisories for this package

rustdesk has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-345: Insufficient Verification of Data Authenticity) in other software:

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-345
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-05
Updated 2026-08-20
Modified 2026-06-22
Fix URL N/A

Affected Packages

Software From version Fixed in
rustdesk — 1.4.5

Similar Threats

Exploit Protection

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CVE-2026-30798 carries CVSS 7.5 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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