{"id":"CVE-2026-70600","revision":null,"records":[{"revision":"1f9dff6b2ac1439080bca646fe105e54","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-70600","aliases":[],"title":"Electron: Cross-origin iframe can position native autofill popup","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, the native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI. Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected. This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.","state":0,"publishedAt":"2026-08-05T15:40:27.57+00:00","modifiedAt":"2026-08-06T14:21:44.543+00:00","affected":[{"ecosystem":"Vendor product","name":"electron","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"electron\",\n                    \"product\": \"electron\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 39.8.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 40.0.0-alpha.1, < 40.9.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 41.0.0-alpha.1, < 41.2.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 42.0.0-alpha.1, < 42.0.0-beta.3\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","score":3.1,"severity":"LOW"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-x8rc-wpg4-grpf"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-70600","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-70600","identifiers":["CVE-2026-70600"]},"retained":false,"historicalAffected":[]},{"revision":"8b55cd03224245b0817d25acb71e9796","observedAt":"2026-11-09T15:06:38.533+00:00","statement":{"source":"euvd","id":"EUVD-2026-53432","aliases":["CVE-2026-70600","GHSA-x8rc-wpg4-grpf"],"title":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. 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This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","score":3.1,"severity":null}],"references":["https://github.com/electron/electron/security/advisories/GHSA-x8rc-wpg4-grpf"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-53432","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 5, 2026, 3:40:27 PM","dateUpdated":"Aug 6, 2026, 2:21:44 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. 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Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected. This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.","state":0,"publishedAt":"2026-08-05T16:17:04.067+00:00","modifiedAt":"2026-10-08T13:54:11.467+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","score":3.1,"severity":"LOW"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-x8rc-wpg4-grpf"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70600","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-1021"],"productCriteria":["cpe:2.3:a:electronjs:electron:*:*:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha1:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha2:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha3:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha4:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha5:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:alpha6:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:beta1:*:*:*:node.js:*:*","cpe:2.3:a:electronjs:electron:42.0.0:beta2:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-08-05T16:17:04.067","lastModified":"2026-10-08T13:54:11.467"},"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-2026-70600","identifiers":["CVE-2026-70600"]},"retained":false,"historicalAffected":[]},{"revision":"1c75fff997e8434592a81ac40d0babeb","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-x8rc-wpg4-grpf","aliases":["CVE-2026-70600"],"title":"Electron: Cross-origin iframe can position native autofill popup","description":"### Impact\nThe native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI.\n\nApps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected.\n\n### Workarounds\nDo not embed untrusted content in iframes inside windows that display trusted UI.\n\n### Fixed Versions\n* `42.0.0-beta.3`\n* `41.2.1`\n* `40.9.0`\n* `39.8.8`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at [security@electronjs.org](mailto:security@electronjs.org)","state":0,"publishedAt":"2026-08-05T15:40:32+00:00","modifiedAt":"2026-08-05T15:56:01.334672+00:00","affected":[{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"39.8.8"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"40.0.0-alpha.1"},{"kind":"fixed","version":"40.9.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"41.0.0-alpha.1"},{"kind":"fixed","version":"41.2.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"electron","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"42.0.0-alpha.1"},{"kind":"fixed","version":"42.0.0-beta.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"LOW"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-x8rc-wpg4-grpf","https://github.com/electron/electron"],"sourceUrl":"https://github.com/advisories/GHSA-x8rc-wpg4-grpf","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-x8rc-wpg4-grpf","identifiers":["GHSA-x8rc-wpg4-grpf","CVE-2026-70600"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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