CVE-2026-66298

CVE-2026-66298 concerns Livebook’s JS-view sandbox where untrusted, notebook-defined JavaScript can trigger session-wide keyboard shortcuts. The root cause is in the trusted iframe shell forwarding every keydown to the parent without checking Event.isTrusted, allowing events synthesized by the un...

CVE-2026-66298

Origin Validation Error vulnerability in livebook-dev livebook allows untrusted notebook output JavaScript to trigger session-wide keyboard shortcuts, including forced evaluation of all cells and runtime restart. Livebook's JS-view feature renders notebook-defined JavaScript inside a sandboxed,...

CVE-2026-66298 JS-view sandboxed output can synthesize keyboard events to trigger unconfirmed global shortcuts

Origin Validation Error vulnerability in livebook-dev livebook allows untrusted notebook output JavaScript to trigger session-wide keyboard shortcuts, including forced evaluation of all cells and runtime restart. Livebook's JS-view feature renders notebook-defined JavaScript inside a sandboxed,...

Incorrect Permission Assignment for Critical Resource

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 Incorrect Permission Assignment for Critical Resource via the openExternal. An attacker can cause an...

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 Restriction of Rendered UI Layers or Frames

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 Restriction of Rendered UI Layers or Frames in the OpenURL navigation path, which allows a sandboxed iframe withou...

NPM: Electron: Sandboxed iframe can bypass the allow-popups restriction via the OpenURL navigation path

NPM: Electron: Sandboxed iframe can bypass the allow-popups restriction via the OpenURL navigation path vulnerability discovered by ? in WordPress Npm electron versions 39.8.10...

CVE-2026-70608

Summary: Electron before versions 39.8.10, 41.10.3, and 42.0.1 allowed a sandboxed iframe without the allow-popups keyword to open a new window or trigger setWindowOpenHandler with no user interaction via OpenURL navigation, bypassing the iframe popup restriction. What’s affected: Electron apps e...

EUVD-2026-53564

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-2026-70608 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-2026-70600

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...

GHSA-X8RC-WPG4-GRPF Electron: Cross-origin iframe can position native autofill popup

Impact The native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI. Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI...

Improper Restriction of Rendered UI Layers or Frames

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 Restriction of Rendered UI Layers or Frames in the handling of cross-origin iframes, which allows the native...

Electron: Cross-origin iframe can position native autofill popup

Impact The native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI. Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI...

Improper Restriction of Rendered UI Layers or Frames

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 Restriction of Rendered UI Layers or Frames in the handling of cross-origin iframes, which allows...

NPM: Electron: Cross-origin iframe can position native autofill popup

NPM: Electron: Cross-origin iframe can position native autofill popup vulnerability discovered by ? in WordPress Npm electron versions 39.8.8...

EUVD-2026-53432

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 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

CVE-2026-70600 affects Electron: prior to versions 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. This could enable clickjacking or spoofing of trusted UI when apps embed ...

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...