Electron: Extension tab APIs operate across session boundaries

Impact Extension tab and scripting APIs were not scoped to the extension's own session. A malicious or compromised extension loaded into one session could navigate, script, and read from windows belonging to a different session. Apps are only affected if they load Chrome extensions via...

GHSA-M55F-7GQJ-FR98 Electron: Extension tab APIs operate across session boundaries

Impact Extension tab and scripting APIs were not scoped to the extension's own session. A malicious or compromised extension loaded into one session could navigate, script, and read from windows belonging to a different session. Apps are only affected if they load Chrome extensions via...

CVE-2026-70602 Electron: Extension tab APIs operate across session boundaries

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, extension tab and scripting APIs were not scoped to the extension's own session. A malicious or compromised extension loaded into one session...

CVE-2026-70602

Vulnerability summary: CVE-2026-70602 affects Electron where extension tab and scripting APIs were not scoped to an extension’s own session. A malicious or compromised extension loaded into one session could navigate, script, and read from windows belonging to a different session when apps load C...