> CVE-2026-102674 [HIGH]

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PUBLISHED
2026-09-29 17:17
MODIFIED
2026-09-29 17:17
CVSS_SCORE V3
8.2
EPSS (Prob. Exploit)
0.24%
Top 86.4%
DATA SOURCES:
NVD 🔗 2026-09-29 RED HAT 🔗 2026-10-04 CWE MITRE 🔗 2026-10-01 FIRST EPSS 🔗 2026-10-21 GITHUB 🔗 2026-10-06 OSV 🔗 2026-10-19

> DESCRIPTION

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EXPLOITABILITY
2.8
IMPACT
4.7

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
Required (R)
Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre)
Scope
Changed (C)
Impact s'étend au-delà du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-266 CWE-693

> CWE DETAILED DESCRIPTIONS

CWE-266: Incorrect Privilege Assignment - A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. | CWE-693: Protection Mechanism Failure - The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> GITHUB SECURITY ADVISORY

GHSA-gr2m-v5gq-v685 HIGH

Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions

AFFECTED PACKAGES:
NPM / electron
>= 44.0.0-alpha.1, < 44.0.0-beta.5
Fixed in: 44.0.0-beta.5
NPM / electron
>= 43.0.0-alpha.1, < 43.4.1
Fixed in: 43.4.1
NPM / electron
>= 42.0.0-alpha.1, < 42.9.2
Fixed in: 42.9.2
NPM / electron
< 41.10.6
Fixed in: 41.10.6

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions

AFFECTED PACKAGES:
Unknown / Unknown
2054 versions affected
ALIASES:
GHSA-gr2m-v5gq-v685

> HISTORIQUE DES MODIFICATIONS

Première apparition
29/09/2026 17:17
Source: NVD
📊 ENRICHISSEMENT 04/10/2026 05:02
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 04/10/2026 05:02
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-266: Incorrect Privilege Assignment - A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. | CWE-693: Protection Mechanism Fail...
Total des modifications: 3 Dernière mise à jour: 2 weeks ago

> REFERENCES

https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f257...
https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be...
https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68...
https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48...
https://github.com/electron/electron/releases/tag/v41.10.6
https://github.com/electron/electron/releases/tag/v42.9.2
https://github.com/electron/electron/releases/tag/v43.4.1
https://github.com/electron/electron/releases/tag/v44.0.0-beta.5
https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685
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