{
"id": "GHSA-4f78-qhmw-8j8m",
"aliases": [
"CVE-2026-70609"
],
"details": "### Impact\nThe `mode` option of `webContents.openDevTools()` was not sanitized before use by the DevTools frontend. If an attacker can influence this value, script under their control may run in the DevTools context, which in unsandboxed configurations has access to Node.js.\n\nApps are only affected if untrusted input can reach the `mode` argument of `openDevTools()`, or if untrusted content can call `openDevTools()` on a `<webview>` it embeds. Apps that only ever pass a fixed dock mode are not affected.\n\n### Workarounds\nOnly pass fixed, allowlisted values (`right`, `bottom`, `undocked`, `detach`) as the DevTools `mode`, and do not expose `openDevTools` to untrusted content.\n\n### Fixed Versions\n* `42.0.0-beta.1`\n* `41.2.0`\n* `40.9.0`\n* `39.8.7`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at [[email protected] ](mailto:[email protected] )",
"summary": "Electron: DevTools JavaScript Injection via Unsanitized Dock State Parameter",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "39.8.7"
}
]
}
],
"package": {
"name": "electron",
"ecosystem": "npm"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "40.0.0-alpha.1"
},
{
"fixed": "40.9.0"
}
]
}
],
"package": {
"name": "electron",
"ecosystem": "npm"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "41.0.0-alpha.1"
},
{
"fixed": "41.2.0"
}
]
}
],
"package": {
"name": "electron",
"ecosystem": "npm"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "42.0.0-alpha.1"
},
{
"fixed": "42.0.0-beta.1"
}
]
}
],
"package": {
"name": "electron",
"ecosystem": "npm"
}
}
],
"modified": "2026-08-05T17:32:47Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N"
}
],
"published": "2026-08-05T17:32:47Z",
"references": [
{
"url": "https://github.com/electron/electron/security/advisories/GHSA-4f78-qhmw-8j8m",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/pull/50665",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/pull/50666",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/pull/50667",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/pull/50668",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/commit/04614eed17986bddc43eb509ec870424ee6a47d1",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/commit/2046ae87731d80a7b535512ae19acb529e10e33b",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/commit/969741f9f847c5c583f6bbc63ca22549dbd954ce",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/commit/efc4d3c6b6f1c04f658ca0d9d2512dcfe78eb7ba",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron",
"type": "PACKAGE"
},
{
"url": "https://github.com/electron/electron/releases/tag/v39.8.7",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/releases/tag/v40.9.0",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/releases/tag/v41.2.0",
"type": "WEB"
},
{
"url": "https://github.com/electron/electron/releases/tag/v42.0.0-beta.1",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-116",
"CWE-94"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2026-08-05T17:32:47Z"
}
}