JetBrains Toolbox App < 3.9 Insufficient Login Dialog Warning

low Nessus Plugin ID 379721

Synopsis

An application installed on the remote Windows host is affected by a vulnerability.

Description

The version of JetBrains Toolbox App installed on the remote host is prior to 3.9. It is, therefore, affected by a vulnerability:

- In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog allowed connecting to a malicious server. (CVE-2026-123320)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to JetBrains Toolbox App version 3.9 or later.

See Also

https://www.jetbrains.com/privacy-security/issues-fixed/

Plugin Details

Severity: Low

ID: 379721

File Name: jetbrains_toolbox_app_3_9_0.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2026-123320

CVSS v3

Risk Factor: Low

Base Score: 3.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Vulnerability Information

CPE: cpe:/a:jetbrains:toolbox

Required KB Items: SMB/Registry/Enumerated, installed_sw/JetBrains Toolbox App

Patch Publication Date: 11/6/2026

Vulnerability Publication Date: 11/6/2026

Reference Information

CVE: CVE-2026-123320