Context Isolation Vulnerability in Electron Framework
CVE-2026-34780
What is CVE-2026-34780?
The Electron framework, used for building cross-platform desktop applications, has a vulnerability affecting specific versions. This issue arises when applications pass VideoFrame objects via the contextBridge, potentially allowing an attacker who can execute JavaScript in the main context (for instance, through cross-site scripting) to access the isolated context. If an application uses a preload script that returns or passes VideoFrame objects, it may be susceptible to unauthorized access to sensitive Node.js APIs. Mitigating this vulnerability is critical for applications relying on the Electron framework, and users are encouraged to update to the patched versions for enhanced security.
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Affected Version(s)
electron >= 39.0.0-alpha.1, < 39.8.0 < 39.0.0-alpha.1, 39.8.0
electron >= 40.0.0-alpha.1, < 40.7.0 < 40.0.0-alpha.1, 40.7.0
electron >= 41.0.0-alpha.1, < 41.0.0-beta.8 < 41.0.0-alpha.1, 41.0.0-beta.8