CVE-2026-123320 · Other
NO FIX YET · SEE WHAT TO DO
JetBrains Toolbox App before 3.9 showed insufficient warning in its login dialog, so a user could connect to a server controlled by an attacker. The sources do not describe what data or actions the attacker gets after the connection.
first public Nov 6, 2026 · 1 source
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Developers who sign in to a JetBrains Toolbox App server through its login dialog are the ones exposed, since the warning about the server was insufficient. The sources do not say whether managed or self-hosted setups differ. Anyone already on 3.9 or later is not affected.
Not affected if version-3.9-or-later
Who cares developer-tools, jetbrains, toolbox-app
3.9 or later (per the product range before 3.9).In JetBrains Toolbox App before 3.9 insufficient warning in the login dialog allowed connecting to a malicious server
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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