{"api_version":"1","generated_at":"2026-10-01T00:22:34+00:00","cve":"CVE-2026-102673","urls":{"html":"https://cve.report/CVE-2026-102673","api":"https://cve.report/api/cve/CVE-2026-102673.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-102673","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102673"},"summary":{"title":"Electron drops inherited HTML sandbox restrictions for popups opened through OpenURLFromTab","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.4, 42.5.2, and 43.0.0, popups opened from a sandboxed iframe through Electron's OpenURLFromTab navigation path, including links using target=\"_blank\" or a middle-click, did not receive the inherited HTML sandbox restrictions. An untrusted iframe using the allow-scripts allow-popups configuration could therefore open a popup with the embedding application's full origin, exposing that origin's cookies, storage, and same-origin scripting capabilities. Applications that do not embed untrusted content in sandboxed iframes are not affected. 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