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Permalink CVE-2026-70599
5.9 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
created 1 month, 2 weeks ago Activity log
  • Created suggestion 1 month, 2 weeks ago
Electron: Permission Check Handler Receives Main Frame Origin Instead of Requesting Iframe Origin

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.7, 40.9.0, 41.2.0, and 42.0.0-beta.1, serial-port and media permission checks made from an iframe passed the top-level frame origin to session.setPermissionCheckHandler instead of the requesting iframe origin. Origin-based handler logic could grant a cross-origin iframe device access intended only for the top-level origin. This issue is fixed in 39.8.7, 40.9.0, 41.2.0, and 42.0.0-beta.1.

Affected products

electron
  • ==>= 41.0.0-alpha.1, < 41.2.0
  • ==>= 40.0.0-alpha.1, < 40.9.0
  • ==>= 42.0.0-alpha.1, < 42.0.0-beta.1
  • ==< 39.8.7

Matching in nixpkgs

pkgs.electron

Cross platform desktop application shell

  • nixos-unstable -
  • nixos-26.05 -

pkgs.electron_39

Cross platform desktop application shell

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pkgs.electron_40

Cross platform desktop application shell

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  • nixos-26.05 -

pkgs.electron_41

Cross platform desktop application shell

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pkgs.electron_42

Cross platform desktop application shell

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pkgs.electron_43

Cross platform desktop application shell

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  • nixos-26.05 -

pkgs.electron_44

Cross platform desktop application shell

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pkgs.electron-bin

Cross platform desktop application shell

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  • nixos-26.05 -

pkgs.electron-cash

Bitcoin Cash SPV Wallet

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    • nixos-unstable-small 4.4.2
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    • nixos-26.05-small 4.4.2

pkgs.electron-mail

Unofficial Election-based ProtonMail desktop client

  • nixos-unstable -
    • nixos-unstable-small 5.3.8
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    • nixos-26.05-small 5.3.8

pkgs.electron-fiddle

Easiest way to get started with Electron

  • nixos-unstable -
  • nixos-26.05 -

pkgs.electron_39-bin

Cross platform desktop application shell

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  • nixos-26.05 -

pkgs.electron_40-bin

Cross platform desktop application shell

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  • nixos-26.05 -

pkgs.electron_41-bin

Cross platform desktop application shell

  • nixos-unstable -
  • nixos-26.05 -

pkgs.electron_42-bin

Cross platform desktop application shell

  • nixos-unstable -
  • nixos-26.05 -

pkgs.electron_43-bin

Cross platform desktop application shell

  • nixos-unstable -
  • nixos-26.05 -

pkgs.electron_44-bin

Cross platform desktop application shell

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pkgs.notion-electron

Enhanced Notion Desktop client for Linux

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    • nixos-unstable-small 2.4.0

pkgs.electron-chromedriver

WebDriver server for running Selenium tests on Chrome

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  • nixos-26.05 -