cyfenced.com →

[ CVE-2026-102675 · Published 29 Sep 2026 ]

Electron: File and HTTP protocol handlers allow cross-origin reads without corsEnabled

CVSS 7.4 EPSS <1%Fix available

[ Description ]Official description

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, responses served through protocol.registerFileProtocol or protocol.registerHttpProtocol for a custom scheme registered with supportFetchAPI enabled but corsEnabled disabled could remain script-readable across origins. This residual issue completes the remediation for CVE-2026-70604. Applications are affected only when they expose such a scheme and load untrusted content in the same session. Schemes intentionally registered with corsEnabled enabled remain cross-origin readable by design. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.

[ Fixes ]Fixes and patches

  • electron 41.10.6Fixed version · GitHub Advisories · npm package electron: upgrade to 41.10.6 or later (affected < 41.10.6)
  • electron 42.9.2Fixed version · GitHub Advisories · npm package electron: upgrade to 42.9.2 or later (affected >= 42.0.0-alpha.1, < 42.9.2)
  • electron 43.4.1Fixed version · GitHub Advisories · npm package electron: upgrade to 43.4.1 or later (affected >= 43.0.0-alpha.1, < 43.4.1)
  • electron 44.0.0-beta.5Fixed version · GitHub Advisories · npm package electron: upgrade to 44.0.0-beta.5 or later (affected >= 44.0.0-alpha.1, < 44.0.0-beta.5)

[ Packages ]Affected open-source packages

[ References ]References