CVE-2026-123840 · Package
NO FIX YET · SEE WHAT TO DO
In JetBrains IntelliJ IDEA before 2026.3, HTML could be injected into Remote Development editor tabs. The sources do not say what an attacker gains beyond altering the displayed content.
first public Nov 6, 2026 · 1 source
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Developers using IntelliJ IDEA Remote Development (remote editor tabs) on versions before 2026.3. The sources do not say what data or actions an attacker could reach, and whether an attacker needs to supply content or sit on a path to the user is unknown.
Not affected if version-2026.3-or-later
Who cares intellij-idea, jetbrains, remote-development
2026.3 or later is not affected.2026.3 or later (per the sources' affected range before 2026.3).In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
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