Skip to main content

Boteraser | Website and Server Security Solutions

🛡️ CVE-2026-30795 — rustdesk

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-319 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password).

This issue affects RustDesk Client: through 1.4.5.

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 high, integrity none, availability none.

CVSS metrics in full

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

  • 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: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-30795 is classified as CWE-319: Cleartext Transmission of Sensitive Information. Sensitive data crosses the network without encryption and can be read or altered in transit.

Affected software

CVE-2026-30795 is recorded against 1 package.

  • rustdesk (fixed in 1.4.5)

Timeline and source

Published on 5 March 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

docs.google.com
github.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-319: Cleartext Transmission of Sensitive Information) 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:H/I:N/A:N
CWE CWE-319
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-05
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
rustdesk — 1.4.5

Similar Threats

Exploit Protection

Are you running rustdesk?

CVE-2026-30795 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.

Check My Site For CVE-2026-30795 →

No credit card required  ·  Results in minutes

ⓘ 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.

Browse related advisories

All advisoriesCVECVE 2026
✓