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Description

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, the select-usb-device event callback did not validate the chosen device ID against the filtered list that was presented to the handler. An app whose handler could be influenced to select a device ID outside the filtered set would grant access to a device that did not match the renderer's requested filters or was listed in exclusionFilters. The WebUSB security blocklist remained enforced regardless, so security-sensitive devices on the blocklist were not affected. The practical impact is limited to apps with unusual device-selection logic. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8.

PUBLISHED Reserved 2026-03-30 | Published 2026-04-03 | Updated 2026-04-06 | Assigner GitHub_M




LOW: 3.3CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Problem types

CWE-862: Missing Authorization

Product status

< 38.8.6
affected

>= 39.0.0-alpha.1, < 39.8.0
affected

>= 40.0.0-alpha.1, < 40.7.0
affected

>= 41.0.0-alpha.1, < 41.0.0-beta.8
affected

References

github.com/...ectron/security/advisories/GHSA-9899-m83m-qhpj

cve.org (CVE-2026-34766)

nvd.nist.gov (CVE-2026-34766)

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