Detections
Analytics
CVE-2026-70607
medium
Description
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, some window options supplied by web content in the window.open() features string were applied to the new BrowserWindow without an allowlist. Untrusted content could set window options it should not control, including options that cause the main process to access attacker-chosen file or network paths, when untrusted content can call window.open() and the app does not override child window options via setWindowOpenHandler or overrideBrowserWindowOptions. This issue is fixed in 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.
References
https://github.com/electron/electron/security/advisories/GHSA-v93f-fgjr-hjrj
https://github.com/electron/electron/releases/tag/v42.0.0-beta.3
https://github.com/electron/electron/releases/tag/v41.2.1
https://github.com/electron/electron/releases/tag/v40.9.0
https://github.com/electron/electron/releases/tag/v39.8.8
https://github.com/electron/electron/pull/50949
https://github.com/electron/electron/pull/50948
https://github.com/electron/electron/pull/50947
https://github.com/electron/electron/pull/50946
https://github.com/electron/electron/commit/fe2e7d0073949b4593b624b93abf1788f5377e55
https://github.com/electron/electron/commit/615d62500fc7732d068274b796c49487e652e90b
https://github.com/electron/electron/commit/4eff3dc09e4d1e62d649c5ce9902f532bb7469c7
https://github.com/electron/electron/commit/30cf3882de75ee651bd4e5f27002f13fd3d3163a