What is CVE-2026-34769?

CVE-2026-34769 is a high-severity vulnerability in Electron, classified under Argument Injection. CVSS score: 7.7/10. Published 2026-04-04.

How severe is CVE-2026-34769?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Electron

CVE-2026-34769

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, an undocumented commandLineSwitches webPreference allowed arbitrary switch…

EPSS: 0.000 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Electron — versions < 38.8.6, >= 39.0.0-alpha.1, < 39.8.0, >= 40.0.0-alpha.1, < 40.7.0
Electronjs Electron — versions 41.0.0

Weakness classification (CWE)

CWE-88 — Argument Injection
CWE-912 — Hidden Functionality

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34769?: CVE-2026-34769 is a high-severity vulnerability in Electron, classified under Argument Injection. CVSS score: 7.7/10. Published 2026-04-04.
How severe is CVE-2026-34769?: High severity. CVSS v3 base score is 7.7 out of 10.