{"id":"CVE-2026-102674","revision":null,"records":[{"revision":"33a86100394a49a29450c17baf00e11c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-102674","aliases":[],"title":"Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions","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, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.","state":0,"publishedAt":"2026-09-29T16:51:26.963+00:00","modifiedAt":"2026-09-29T17:20:35.969+00:00","affected":[{"ecosystem":"Vendor product","name":"electron","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"electron\",\n                    \"product\": \"electron\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 41.10.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 42.0.0-alpha.1, < 42.9.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 43.0.0-alpha.1, < 43.4.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 44.0.0-alpha.1, < 44.0.0-beta.5\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":8.2,"severity":"HIGH"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685","https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2","https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d","https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886","https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a","https://github.com/electron/electron/releases/tag/v41.10.6","https://github.com/electron/electron/releases/tag/v42.9.2","https://github.com/electron/electron/releases/tag/v43.4.1","https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-102674","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-102674","identifiers":["CVE-2026-102674"]},"retained":false,"historicalAffected":[]},{"revision":"18d13d95e5ba482cbc867a1083e6dd9e","observedAt":"2026-11-09T05:03:35.46+00:00","statement":{"source":"euvd","id":"EUVD-2026-89091","aliases":["CVE-2026-102674","GHSA-gr2m-v5gq-v685"],"title":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. 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Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-89091","identifiers":["EUVD-2026-89091","CVE-2026-102674","GHSA-gr2m-v5gq-v685"]},"retained":false,"historicalAffected":[]},{"revision":"9cdc7020aefb497c852da822511fe691","observedAt":"2026-10-25T04:17:26.915+00:00","statement":{"source":"nvd","id":"CVE-2026-102674","aliases":[],"title":"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, windows opened from a sandboxed top-level document did not inherit that document's …","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, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.","state":0,"publishedAt":"2026-09-29T17:17:07.653+00:00","modifiedAt":"2026-10-15T13:58:37.623+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2","https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d","https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886","https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a","https://github.com/electron/electron/releases/tag/v41.10.6","https://github.com/electron/electron/releases/tag/v42.9.2","https://github.com/electron/electron/releases/tag/v43.4.1","https://github.com/electron/electron/releases/tag/v44.0.0-beta.5","https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102674","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-266","CWE-693"],"productCriteria":["cpe:2.3:a:electronjs:electron:*:*:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha1:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha2:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha3:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha4:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha5:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha6:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha7:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha8:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:alpha9:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:beta1:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:beta2:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:beta3:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:44.0.0:beta4:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-09-29T17:17:07.653","lastModified":"2026-10-15T13:58:37.623"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-102674","identifiers":["CVE-2026-102674"]},"retained":false,"historicalAffected":[]},{"revision":"de73ce09d31d46a290e6b8665e15362d","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-gr2m-v5gq-v685","aliases":["CVE-2026-102674"],"title":"Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions","description":"### Impact\n\nWindows opened from a sandboxed top-level document did not inherit that document's HTML `sandbox` restrictions, so content that was meant to run sandboxed could open a window with the app's full origin. GHSA-hq2x-r82h-9wj4 covers the same issue for sandboxed iframes.\n\nApps are only affected if they render untrusted content in a sandboxed top-level document that allows popups. Apps that deny popups from untrusted content with `setWindowOpenHandler` are not affected.\n\n### Workarounds\n\nReturn `{ action: 'deny' }` from `setWindowOpenHandler` for windows opened by untrusted content.\n\n### Fixed Versions\n\n* `44.0.0-beta.5`\n* `43.4.1`\n* `42.9.2`\n* `41.10.6`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)","state":0,"publishedAt":"2026-09-29T18:05:11+00:00","modifiedAt":"2026-09-29T18:15:04.6981746+00:00","affected":[{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"41.10.6"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"42.0.0-alpha.1"},{"kind":"fixed","version":"42.9.2"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"43.0.0-alpha.1"},{"kind":"fixed","version":"43.4.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"44.0.0-alpha.1"},{"kind":"fixed","version":"44.0.0-beta.5"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685","https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2","https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d","https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886","https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a","https://github.com/electron/electron","https://github.com/electron/electron/releases/tag/v41.10.6","https://github.com/electron/electron/releases/tag/v42.9.2","https://github.com/electron/electron/releases/tag/v43.4.1","https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"],"sourceUrl":"https://github.com/advisories/GHSA-gr2m-v5gq-v685","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-gr2m-v5gq-v685","identifiers":["GHSA-gr2m-v5gq-v685","CVE-2026-102674"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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