Vulnerability-Lookup

CVE-2026-34766 (GCVE-0-2026-34766)

Vulnerability from cvelistv5 – Published: 2026-04-03 23:35 – Updated: 2026-04-06 19:07

Title

Electron: USB device selection not validated against filtered device list

Summary

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.

Severity ?

3.3 (Low)


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

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M

References

URL

Tags

https://github.com/electron/electron/security/adv…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	electron	electron	Affected: < 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

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-34766

Vulnerability from fkie_nvd - Published: 2026-04-04 00:16 - Updated: 2026-04-09 16:23

Severity ?

3.3 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/electron/electron/security/advisories/GHSA-9899-m83m-qhpj	Vendor Advisory

Impacted products

Vendor	Product	Version
electronjs	electron	*
electronjs	electron	*
electronjs	electron	*
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0

JSON

To clipboard

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          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-04-04T00:16:17.140",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/electron/electron/security/advisories/GHSA-9899-m83m-qhpj"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

GHSA-9899-M83M-QHPJ

Vulnerability from github – Published: 2026-04-03 02:36 – Updated: 2026-04-06 23:10

Summary

Electron: USB device selection not validated against filtered device list

Details

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 security@electronjs.org

Severity ?

3.3 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "electron"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "38.8.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "electron"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "39.0.0-alpha.1"
            },
            {
              "fixed": "39.8.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "electron"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "40.0.0-alpha.1"
            },
            {
              "fixed": "40.7.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "electron"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "41.0.0-alpha.1"
            },
            {
              "fixed": "41.0.0-beta.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-34766"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-03T02:36:52Z",
    "nvd_published_at": "2026-04-04T00:16:17Z",
    "severity": "LOW"
  },
  "details": "### Impact\nThe `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\u0027s requested `filters` or was listed in `exclusionFilters`.\n\nThe 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.\n\n### Workarounds\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n* `41.0.0-beta.8`\n* `40.7.0`\n* `39.8.0`\n* `38.8.6`\n\n### For more information\nIf there are any questions or comments about this advisory, send an email to [security@electronjs.org](mailto:security@electronjs.org)",
  "id": "GHSA-9899-m83m-qhpj",
  "modified": "2026-04-06T23:10:26Z",
  "published": "2026-04-03T02:36:52Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/electron/electron/security/advisories/GHSA-9899-m83m-qhpj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34766"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/electron/electron"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Electron: USB device selection not validated against filtered device list"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-34766 (GCVE-0-2026-34766)

FKIE_CVE-2026-34766

GHSA-9899-M83M-QHPJ

Impact

Workarounds

Fixed Versions

For more information

Tags

Sightings

Nomenclature