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CVE-2026-70610 Electron: contextBridge object copy honors prototype setters

🗓️ 05 Aug 2026 17:41:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Electron contextBridge may copy objects with attacker prototypes, enabling prototype pollution in preload code.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-70610
5 Aug 202617:41
attackerkb
circl
Circl
CVE-2026-70610
5 Aug 202618:40
circl
cve
CVE
CVE-2026-70610
5 Aug 202617:41
cve
euvd
EUVD
EUVD-2026-53543
5 Aug 202617:41
euvd
github
Github Security Blog
Electron: contextBridge object copy honors prototype setters
5 Aug 202617:41
github
nvd
NVD
CVE-2026-70610
5 Aug 202618:17
nvd
osv
OSV
GHSA-FF2P-HMQR-HXM4 Electron: contextBridge object copy honors prototype setters
5 Aug 202617:41
osv
patchstack
Patchstack
NPM: Electron: contextBridge object copy honors prototype setters
5 Aug 202617:41
patchstack
[
  {
    "vendor": "electron",
    "product": "electron",
    "versions": [
      {
        "version": "< 39.8.9",
        "status": "affected"
      },
      {
        "version": ">= 40.0.0-alpha.1, < 40.9.2",
        "status": "affected"
      },
      {
        "version": ">= 41.0.0-alpha.1, < 41.2.2",
        "status": "affected"
      },
      {
        "version": ">= 42.0.0-alpha.1, < 42.0.0-beta.4",
        "status": "affected"
      }
    ]
  }
]

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