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Untriaged
Permalink CVE-2026-34777
5.4 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): NONE
  • User interaction (UI): REQUIRED
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): LOW
  • Integrity impact (I): LOW
  • Availability impact (A): NONE
created 1 week, 1 day ago
Electron: Incorrect origin passed to permission request handler for iframe requests

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, when an iframe requests fullscreen, pointerLock, keyboardLock, openExternal, or media permissions, the origin passed to session.setPermissionRequestHandler() was the top-level page's origin rather than the requesting iframe's origin. Apps that grant permissions based on the origin parameter or webContents.getURL() may inadvertently grant permissions to embedded third-party content. The correct requesting URL remains available via details.requestingUrl. Apps that already check details.requestingUrl are not affected. This issue has been patched in versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0.

Affected products

electron
  • ==>= 41.0.0-alpha.1, < 41.0.0
  • ==>= 40.0.0-alpha.1, < 40.8.1
  • ==>= 39.0.0-alpha.1, < 39.8.1
  • ==< 38.8.6

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pkgs.electron_36

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pkgs.electron-mail

ElectronMail is an Electron-based unofficial desktop client for ProtonMail