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LOW severity

Electron: USB device selection not validated against filtered device listGHSA-9899-m83m-qhpj

LOW

GHSA-9899-m83m-qhpj is a low-severity (CVSS 3.3) CWE-862 vulnerability in electron. A fix is available for electron — see the affected versions and patch details below.

Also known asCVE-2026-34766
Published
Updated
Affected
4 pkgs
Patched
4 / 4
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-9899-m83m-qhpj.

EPSS Exploitation Probability

via FIRST.org ↗
0.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs6th percentile — riskier than 6% of all scored CVEsHighest risk
0.00%0.23%0.45%0.68%0.0%0.2%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

4 pkgs affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

2Kother npm packages depend on this — each one inherits the vulnerability until it's patched upstream
electronnpm
12.5Mdownloads / week

Description

Impact

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.

Workarounds

There are no app side workarounds, you must update to a patched version of Electron.

Fixed Versions

  • 41.0.0-beta.8
  • 40.7.0
  • 39.8.0
  • 38.8.6

For more information

If there are any questions or comments about this advisory, send an email to [email protected]

Affected Packages

4 total 4 fixed
EcosystemPackageVulnerable rangeFix
📦npmelectronall versions38.8.6npm install electron@38.8.6
📦npmelectron≥ 39.0.0-alpha.1&&< 39.8.039.8.0npm install electron@39.8.0
📦npmelectron≥ 40.0.0-alpha.1&&< 40.7.040.7.0npm install electron@40.7.0
📦npmelectron≥ 41.0.0-alpha.1&&< 41.0.0-beta.841.0.0-beta.8npm install electron@41.0.0-beta.8

Affected Products

1 product · 16 configurations
Application
electronelectronjs
≥ 40.0.0 && < 40.7.0
1 version
41.0.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for electron, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update electron to 38.8.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9899-m83m-qhpj is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatLow
Workaround published by Red Hat
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Source: Red Hat security advisory for GHSA-9899-m83m-qhpj (CC BY 4.0)

Frequently Asked Questions

### Impact 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. ### Workarounds There are no app sid
O3 Security · Impact-Aware SCA

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