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Untriaged
Permalink CVE-2026-34769
7.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): REQUIRED
  • Scope (S): CHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
created 1 week, 6 days ago
Electron: Renderer command-line switch injection via undocumented commandLineSwitches webPreference

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, an undocumented commandLineSwitches webPreference allowed arbitrary switches to be appended to the renderer process command line. Apps that construct webPreferences by spreading untrusted configuration objects may inadvertently allow an attacker to inject switches that disable renderer sandboxing or web security controls. Apps are only affected if they construct webPreferences from external or untrusted input without an allowlist. Apps that use a fixed, hardcoded webPreferences object are not affected. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8.

Affected products

electron
  • ==< 38.8.6
  • ==>= 39.0.0-alpha.1, < 39.8.0
  • ==>= 41.0.0-alpha.1, < 41.0.0-beta.8
  • ==>= 40.0.0-alpha.1, < 40.7.0

Matching in nixpkgs

pkgs.electron_36

Cross platform desktop application shell

pkgs.gfn-electron

Linux Desktop client for Nvidia's GeForce NOW game streaming service

pkgs.electron-mail

ElectronMail is an Electron-based unofficial desktop client for ProtonMail