GitHub Advisoryadvisory · npm
GHSA-jm7p-cc5g-qwxx Electron: Parent process code-sign check is spoofable
MEDIUM
Official page ↗
- Aliases
- CVE-2026-70597
- Ecosystem
- npm
- Packages
- electron
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-367
- Reviewed
- 2026-08-05
Affected packages
• npm electron: < 39.8.8 → fixed in 39.8.8
• npm electron: >= 40.0.0-alpha.1, < 40.9.1 → fixed in 40.9.1
• npm electron: >= 41.0.0-alpha.1, < 41.2.1 → fixed in 41.2.1
• npm electron: >= 42.0.0-alpha.1, < 42.0.0-beta.3 → fixed in 42.0.0-beta.3
Description
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 [email protected]
Related
Alias · CVE (1)
- CVE-2026-70597 Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. vulnerability
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness