CVE-2026-70610

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.2, and 42.0.0-beta.4, objects copied across the contextBridge boundary from untrusted content could carry an attacker-influenced prototype, enabling...

GHSA-P2RR-RVMM-C5FP Electron: Sandboxed iframes can launch external protocol handlers

Impact Requests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could cause an OS-registered external application to be launched. The frame's sandbox state was also not made available to the app's permission handlers. Ap...

CVE-2026-70612 Electron: Sandboxed iframes can launch external protocol handlers

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, requests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could...

CVE-2026-70612 Electron: Sandboxed iframes can launch external protocol handlers

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, requests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could...

Improper Encoding or Escaping of Output

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 Encoding or Escaping of Output via the mode parameter of the openDevTools function. An attacker can execute...

CVE-2026-70608 Electron: Sandboxed iframe can bypass the allow-popups restriction via the OpenURL navigation path

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 41.10.3, and 42.0.1, a sandboxed iframe without the allow-popups keyword could still open a new window or trigger setWindowOpenHandler with no user interaction because...

CVE-2026-70607 Electron: window.open features string controls some window options considered privileged

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, some window options supplied by web content in the window.open features string were applied to the new BrowserWindow without an allowlist...

NPM: Electron: ProtocolResponse.url reuses the default session cache instead of the registering session

NPM: Electron: ProtocolResponse.url reuses the default session cache instead of the registering session vulnerability discovered by ? in WordPress Npm electron versions = 40.0.0-alpha.1, 40.10.6...

Electron: Custom protocol with supportFetchAPI but not corsEnabled allows cross-origin reads

Impact A custom scheme registered with supportFetchAPI: true but without corsEnabled: true was not subject to CORS enforcement. A page loaded from a remote origin could therefore fetch or XMLHttpRequest that scheme cross-origin and read the full response body, rather than the read being blocked...

CVE-2026-70600 Electron: Cross-origin iframe can position native autofill popup

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling...

CVE-2026-70600 Electron: Cross-origin iframe can position native autofill popup

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling...

CVE-2026-34765

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, when a renderer calls window.open with a target name, Electron did not correctly scope the named-window lookup to the opener's browsing...

CVE-2026-34780

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From versions 39.0.0-alpha.1 to before 39.8.0, 40.0.0-alpha.1 to before 40.7.0, and 41.0.0-alpha.1 to before 41.0.0-beta.8, apps that pass VideoFrame objects from the WebCodecs API across the...

CVE-2026-34769

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, an undocumented commandLineSwitches webPreference allowed arbitrary switches to be appended to the renderer process command line. Ap...

GHSA-8X5Q-PVF5-64MP Electron: Use-after-free in offscreen shared texture release() callback

Impact Apps that use offscreen rendering with GPU shared textures may be vulnerable to a use-after-free. Under certain conditions, the release callback provided on a paint event texture can outlive its backing native state, and invoking it after that point dereferences freed memory in the main...

Use After Free

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 Use After Free in the download save dialog callback process. An attacker can cause a crash or memory corruption by triggeri...

GHSA-9899-M83M-QHPJ Electron: USB device selection not validated against filtered device list

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...

PT-2026-29997

Name of the Vulnerable Software and Affected Versions Electron versions prior to 38.8.6, 39.8.3, 40.8.3, and 41.0.3 Description Applications using Electron that register custom protocol handlers via protocol.handle / protocol.registerSchemesAsPrivileged or modify response headers via...

PT-2026-30277

Name of the Vulnerable Software and Affected Versions Electron versions 33.0.0-alpha.1 through 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5 Description Electron applications utilizing offscreen rendering with GPU shared textures may experience a use-after-free condition. Specifically, the release...

PT-2026-30009

Impact On macOS, app.moveToApplicationsFolder used an AppleScript fallback path that did not properly handle certain characters in the application bundle path. Under specific conditions, a crafted launch path could lead to arbitrary AppleScript execution when the user accepted the...