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EUVD-2026-348804

fkie_cve-2026-70597

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 check Electron uses on macOS to confirm it was launched by a same-signed parent process could be bypassed by a local process. Apps that enable fuse-based hardening restricting ELECTRON_RUN_AS_NODE and NODE_OPTIONS to same-signed parents rely on this check, and a local attacker could bypass it and run code inside the signed app, inheriting its TCC permissions and keychain access. This issue is fixed in 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.

GHSA-jm7p-cc5g-qwxx — Electron: Parent process code-sign check is spoofable

Affected: npm: electron

### Impact On macOS, the check Electron uses to confirm it was launched by a same-signed parent process could be bypassed by a local process. Apps that enable the fuse-based hardening restricting `ELECTRON_RUN_AS_NODE` and `NODE_OPTIONS` to same-signed parents rely on this check; a local attacker could bypass it and run their own code inside the signed app, inheriting its TCC permissions and keychain access.

Apps are only affected if they enable those macOS fuse-based restrictions. Apps that do not enable them are not affected.

### Workarounds There are no app side workarounds, you must update to a patched version of Electron.

### Fixed Versions * `42.0.0-beta.3` * `41.2.1` * `40.9.0` * `39.8.8`

### For more information If you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)