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Medium severity6.3NVD Advisory· Published Aug 5, 2026· Updated Oct 8, 2026

CVE-2026-70597

CVE-2026-70597

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
electronnpm
< 39.8.839.8.8
electronnpm
>= 40.0.0-alpha.1, < 40.9.140.9.1
electronnpm
>= 41.0.0-alpha.1, < 41.2.141.2.1
electronnpm
>= 42.0.0-alpha.1, < 42.0.0-beta.342.0.0-beta.3

Affected products

10
  • Electronjs/Electron9 versions
    cpe:2.3:a:electronjs:electron:*:*:*:*:*:node.js:*:*+ 8 more
    • cpe:2.3:a:electronjs:electron:*:*:*:*:*:node.js:*:*range: <39.8.8
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha1:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha2:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha3:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha4:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha5:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:alpha6:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:beta1:*:*:*:node.js:*:*
    • cpe:2.3:a:electronjs:electron:42.0.0:beta2:*:*:*:node.js:*:*
  • Electron PDF/Electron PDFllm-fuzzy
    Range: <39.8.8, <40.9.0, <41.2.1, <42.0.0-beta.3

Patches

Vulnerability mechanics

References

3

News mentions

1