Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions
### Impact Windows 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. Apps 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. ### Workarounds Return `{ action: 'deny' }` from `setWindowOpenHandler` for windows opened by untrusted content. ### Fixed Versions * `44.0.0-beta.5` * `43.4.1` * `42.9.2` * `41.10.6` ### For more information If you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)
GHSA-gr2m-v5gq-v685
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:GHSA-gr2m-v5gq-v685
electron
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 41.10.6
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
electron
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 42.9.2
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
electron
Source reference: /affected/2/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 43.4.1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
electron
Source reference: /affected/3/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 44.0.0-beta.5
Source reference:
/affected/3/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "0"
},
{
"fixed": "41.10.6"
}
]
}
],
"package": {
"name": "electron",
"purl": "pkg:npm/electron",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-gr2m-v5gq-v685/GHSA-gr2m-v5gq-v685.json"
}
},
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "42.0.0-alpha.1"
},
{
"fixed": "42.9.2"
}
]
}
],
"package": {
"name": "electron",
"purl": "pkg:npm/electron",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-gr2m-v5gq-v685/GHSA-gr2m-v5gq-v685.json"
}
},
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "43.0.0-alpha.1"
},
{
"fixed": "43.4.1"
}
]
}
],
"package": {
"name": "electron",
"purl": "pkg:npm/electron",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-gr2m-v5gq-v685/GHSA-gr2m-v5gq-v685.json"
}
},
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "44.0.0-alpha.1"
},
{
"fixed": "44.0.0-beta.5"
}
]
}
],
"package": {
"name": "electron",
"purl": "pkg:npm/electron",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-gr2m-v5gq-v685/GHSA-gr2m-v5gq-v685.json"
}
}
]- Related CVEs
- CVE-2026-102674
Source reference:
/aliases
Publisher severity
high
Source reference: /database_specific/severity
- Event
- #29749 · Revision 1
- Added to Heist Feed
- Publisher date