CVE-2026-34773

A flaw was found in Electron, a framework for building desktop applications. On Windows, the app.setAsDefaultProtocolClient function did not properly validate protocol names before writing to the system registry. This vulnerability could allow a local attacker, through an application that process...

CVE-2026-34773

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on Windows, app.setAsDefaultProtocolClientprotocol did not validate the protocol name before writing to the registry. Apps that pass...

CVE-2026-34773 Electron: Registry key path injection in app.setAsDefaultProtocolClient on Windows

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on Windows, app.setAsDefaultProtocolClientprotocol did not validate the protocol name before writing to the registry. Apps that pass...

CVE-2026-34773

CVE-2026-34773 (Electron, Windows): The issue arises when calling app.setAsDefaultProtocolClient() with a protocol name derived from external input; the protocol name is written to HKCU\Software\Classes\ without proper validation, risking hijack of existing protocol handlers. Affected Electron ve...

Electron: Registry key path injection in app.setAsDefaultProtocolClient on Windows

Impact On Windows, app.setAsDefaultProtocolClientprotocol did not validate the protocol name before writing to the registry. Apps that pass untrusted input as the protocol name may allow an attacker to write to arbitrary subkeys under HKCU\Software\Classes, potentially hijacking existing protocol...

EUVD-2026-18945

Electron: Registry key path injection in app.setAsDefaultProtocolClient on Windows...

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Overview org.webjars.npm:electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' in the...

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Overview electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' in the...

GHSA-MWMH-MQ4G-G6GR Electron: Registry key path injection in app.setAsDefaultProtocolClient on Windows

Impact On Windows, app.setAsDefaultProtocolClientprotocol did not validate the protocol name before writing to the registry. Apps that pass untrusted input as the protocol name may allow an attacker to write to arbitrary subkeys under HKCU\Software\Classes, potentially hijacking existing protocol...

PT-2026-30003

Impact On Windows, app.setAsDefaultProtocolClientprotocol did not validate the protocol name before writing to the registry. Apps that pass untrusted input as the protocol name may allow an attacker to write to arbitrary subkeys under HKCUSoftwareClasses, potentially hijacking existing protocol...

PT-2018-9198 · Microsoft +2 · Windows 2008 +4

Name of the Vulnerable Software and Affected Versions: GitHub Electron versions 1.8.2-beta.3 and earlier GitHub Electron versions 1.7.10 and earlier GitHub Electron versions 1.6.15 and earlier Description: The issue is related to a vulnerability in the protocol handler of Electron apps running on...