CVE-2026-123320

Insufficient Login Warning Enables Credential Leakage to Malicious Server in JetBrains Toolbox App

Published Nov 6, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog allowed connecting to a malicious server

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Insufficient Login Warning Enables Credential Leakage to Malicious Server in JetBrains Toolbox App
First Time appeared Jetbrains
Jetbrains toolbox
Vendors & Products Jetbrains
Jetbrains toolbox
Type Values Removed Values Added
Description In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog allowed connecting to a malicious server
Weaknesses CWE-357
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Nov 10, 2026, 5:46 PM
Reserved
Nov 5, 2026, 6:38 PM
Status
Awaiting Analysis
Published
Nov 6, 2026, 11:17 AM
Modified
Nov 10, 2026, 6:17 PM