---
id: CVE-2026-123320
title: >-
  In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog
  allowed connecting to a malicious server
summary: >-
  In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog
  allowed connecting to a malicious server
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-357
vendor: JetBrains
product: Toolbox App
affected:
  - toolbox_app < 3.9
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T10:28:05.629Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123320'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T10:49:35.350Z'
---

## Overview

In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog allowed connecting to a malicious server

## Affected

- `toolbox_app < 3.9`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.