CVE-2026-70597Electron: Parent process code-sign check is spoofable
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-367
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
electron electron electron:electron (from the name) | before 39.8.8; from 40.0.0-alpha.1, < 40.9.0; from 41.0.0-alpha.1, < 41.2.1; from 42.0.0-alpha.1, < 42.0.0-beta.3 | CNA record |
electronjs electron electronjs:electron | before 39.8.8; from 40.0.0 before 40.9.0; from 41.0.0 through 41.2.1; 42.0.0; 42.0.0; 42.0.0; 42.0.0; 42.0.0; and 3 more ranges | NVD |
References
- https://github.com/electron/electron/security/advisories/GHSA-jm7p-cc5g-qwxxx-refsource-confirm, vendor-advisory
- https://github.com/electron/electron/commit/0a6291a97d210db3733689e70a51f5711e38ed35x-refsource-misc, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.