CVE-2026-34765

CVE-2026-34765 : Electron prior to 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5 has a window.open() targeting flaw where the named-window lookup is not scoped to the opener’s browsing context group. A renderer could navigate a child window opened by a different renderer if both share the same targe...

CVE-2026-34765 Electron named window.open targets not scoped to the opener's browsing context

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, when a renderer calls window.open with a target name, Electron did not correctly scope the named-window lookup to the opener's browsing...

EUVD-2026-19949

Electron: Named window.open targets not scoped to the opener's browsing context...

GHSA-F3PV-WV63-48X8 Electron: Named window.open targets not scoped to the opener's browsing context

Impact When a renderer calls window.open with a target name, Electron did not correctly scope the named-window lookup to the opener's browsing context group. A renderer could navigate an existing child window that was opened by a different, unrelated renderer if both used the same target name. If...

Electron: Named window.open targets not scoped to the opener's browsing context

Impact When a renderer calls window.open with a target name, Electron did not correctly scope the named-window lookup to the opener's browsing context group. A renderer could navigate an existing child window that was opened by a different, unrelated renderer if both used the same target name. If...

PT-2026-30918

Name of the Vulnerable Software and Affected Versions Electron versions prior to 39.8.5 Electron versions prior to 40.8.5 Electron versions prior to 41.1.0 Electron versions prior to 42.0.0-alpha.5 Description Electron did not correctly scope the named-window lookup to the opener's browsing conte...