{"id":"EUVD-2026-89095","revision":null,"records":[{"revision":"4d7eb94f79a047c09da383de515788f6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-102676","aliases":[],"title":"Electron: <webview> can enable Node.js integration in Web Workers despite embedder 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, an Electron <webview> guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js integration disabled, allowing untrusted guest content to create a Node-enabled worker with more privilege than the embedder granted. Applications that do not enable the <webview> tag or that keep the embedder sandboxed are not affected. 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Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-102676","identifiers":["CVE-2026-102676"]},"retained":false,"historicalAffected":[]},{"revision":"7cfed8e3a107488587ca08ef3161e237","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-9qh4-3jw8-366w","aliases":["CVE-2026-102676"],"title":"Electron: <webview> can enable Node.js integration in Web Workers despite embedder restrictions","description":"### Impact\n\nA `<webview>` could enable Node.js integration in its Web Workers even when its embedder had Node.js integration disabled, giving guest content more privilege than the embedder allowed.\n\nApps are only affected if they enable the `<webview>` tag and the embedder is unsandboxed. Apps that do not use `<webview>`, or that keep the embedder sandboxed, are not affected.\n\n### Workarounds\n\nRemove `nodeIntegrationInWorker` from the guest preferences in a `will-attach-webview` handler, or do not enable the `<webview>` tag when loading 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":"2026-09-29T18:02:18+00:00","modifiedAt":"2026-09-29T18:15:04.7175043+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:H/PR:N/UI:R/S:C/C:H/I:H/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/electron/electron/security/advisories/GHSA-9qh4-3jw8-366w","https://github.com/electron/electron/commit/6462a2e1dc4e6adffd3b7d9b9be1474c45dcbbe2","https://github.com/electron/electron/commit/9a675aef8822bae4088567822969f900b3a37671","https://github.com/electron/electron/commit/b3ae0aab5cf81c2ed03d04df1ae8e69ecfab7886","https://github.com/electron/electron/commit/cd34f335c8664613db5b6e61ae51e2e1846233ae","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-9qh4-3jw8-366w","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-9qh4-3jw8-366w","identifiers":["GHSA-9qh4-3jw8-366w","CVE-2026-102676"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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