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.
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Affected Vendors & Products
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History
Wed, 05 Aug 2026 19:30:00 +0000
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Wed, 05 Aug 2026 17:45:00 +0000
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Electron
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Wed, 05 Aug 2026 16:15:00 +0000
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| Description | 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. | |
| Title | Electron: Permission Check Handler Receives Main Frame Origin Instead of Requesting Iframe Origin | |
| Weaknesses | CWE-346 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-08-05T15:36:02.182Z
Updated: 2026-08-05T18:41:57.567Z
Reserved: 2026-08-04T19:50:27.328Z
Link: CVE-2026-70599
Updated: 2026-08-05T18:13:55.872Z
Status : Received
Published: 2026-08-05T16:17:03.913
Modified: 2026-08-05T19:17:38.770
Link: CVE-2026-70599
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