CVE-2026-70603

The provided documents describe CVE-2026-70603 for Electron: shell.openPath() could bypass path validation when a string-based check is used and embedded null bytes are present. Affected versions are prior to 39.8.6, 40.9.0, 41.1.1, and 42.0.0-beta.1. If an application passes untrusted input-deri...

CVE-2026-34776

Electron suffers an out-of-bounds heap read on macOS/Linux when an app calls app.requestSingleInstanceLock() and processes a crafted second-instance message. The vulnerability allows leaking memory contents to the second-instance handler and is limited to processes running under the same user as ...

CVE-2026-34777

CVE-2026-34777 affects Electron: prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, the origin passed to session.setPermissionRequestHandler() for iframe-permission requests (fullscreen, pointerLock, keyboardLock, openExternal, or media) was the top‑level page origin instead of the requesting ...

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...

CVE-2026-102677

The Electron framework (versions 42.3.3 to 42.10.0 , 43.5.0 , and 44.0.0-beta.6 ) is vulnerable to a sandboxed preload code cache poisoning issue. The root cause is a lack of verification ensuring that a cached entry matches the preload it was originally served for. A compromised renderer can inj...

CVE-2026-102673

The Electron framework (prior to versions 41.10.4 , 42.5.2 , and 43.0.0 ) contains a vulnerability where popups opened via the OpenURLFromTab navigation path do not inherit HTML sandbox restrictions from the parent sandboxed iframe. This occurs when using target="_blank" or a middle-click. An unt...

CVE-2026-102674

The Electron framework (prior to versions 41.10.6 , 42.9.2 , 43.4.1 , and 44.0.0-beta.5 ) contains a vulnerability where windows opened from a sandboxed top-level document fail to inherit the document's active HTML sandbox restrictions . This allows untrusted content in a sandboxed document to op...

CVE-2026-102676

The Electron framework (versions prior to 41.10.6 , 42.9.2 , 43.4.1 , and 44.0.0-beta.5 ) contains a vulnerability where a guest can enable Node.js integration for its Web Workers , even if the unsandboxed embedder has this integration disabled. This occurs because the nodeIntegrationInWorker op...