{"id":"CVE-2026-102673","title":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS","summary":"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, includ…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","cwe":["CWE-346","CWE-693"],"vendor":"electron","product":"electron","affected":["electron < 41.10.4","electron >= 42.0.0-alpha.1, < 42.5.2","electron >= 43.0.0-alpha.1, < 43.0.0"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T17:17:07.487","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102673","references":[{"url":"https://github.com/electron/electron/commit/7ea14d5f55ecb11a30447701ddca16b3feee0bba","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/commit/e26b2640e7795c42bfb111b76009cbb4327c9a69","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/commit/ebe1165ee2b05c203c26dd2244ef1c5b9b1c04da","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/pull/52133","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/releases/tag/v41.10.4","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/releases/tag/v42.5.2","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/releases/tag/v43.0.0","label":"security-advisories@github.com"},{"url":"https://github.com/electron/electron/security/advisories/GHSA-hq2x-r82h-9wj4","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-hq2x-r82h-9wj4"}],"tags":["nvd","cve.org","ghsa","npm"],"ingestedAt":"2026-09-29T17:41:02.205Z","aliases":["GHSA-hq2x-r82h-9wj4"],"ecosystem":"npm","patched":["electron 41.10.4","electron 42.5.2","electron 43.0.0"],"slug":"CVE-2026-102673","body":"## Overview\n\nElectron 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. This issue is fixed in versions 41.10.4, 42.5.2, and 43.0.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-102673)\n\nAffected packages:\n\n- `electron < 41.10.4`\n- `electron >= 42.0.0-alpha.1, < 42.5.2`\n- `electron >= 43.0.0-alpha.1, < 43.0.0`\n\nPatched in:\n\n- `electron 41.10.4`\n- `electron 42.5.2`\n- `electron 43.0.0`\n\nSource: https://github.com/advisories/GHSA-hq2x-r82h-9wj4","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}