CVE-2026-70611 Electron: DevTools embedder handler executes arbitrary files via shell open
Attackers with DevTools script access can execute arbitrary native code outside the sandbox via the file manager reveal action.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-70611?
CVE-2026-70611 is a medium-severity command injection vulnerability in Electronjs Electron, published on 5 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3, the DevTools reveal in file manager action could launch the target file rather than reveal it. An attacker with a separate means of running script inside the DevTools frontend, such as a malicious DevTools extension, could use showItemInFolder handling to execute native code outside the sandbox when DevTools is opened for windows exposed to untrusted content or untrusted DevTools extensions. This issue is fixed in 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3.
Weakness: CWE-78
Which versions are affected by CVE-2026-70611?
8 open source packages ship an affected version, including electron. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
electron npm | All versions | 39.8.9 |
electron npm | All versions | 39.8.9 |
electron npm | From 40.0.0-alpha.1 | 40.9.2 |
electron npm | From 40.0.0-alpha.1 | 40.9.2 |
electron npm | From 41.0.0-alpha.1 | 41.2.1 |
electron npm | From 41.0.0-alpha.1 | 41.2.1 |
2 more packages
electron npm | From 42.0.0-alpha.1 | 42.0.0-beta.3 |
electron npm | From 42.0.0-alpha.1 | 42.0.0-beta.3 |
Products include Electronjs Electron.
How do I fix CVE-2026-70611?
Upgrade electron to a fixed version for your release line: 39.8.9, 40.9.2, 41.2.1 or 42.0.0-beta.3.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-70611 being exploited?
There is no known exploitation of CVE-2026-70611 in the wild and no public exploit code.
Other vulnerabilities in Electronjs Electron
- CVE-2017-16151 Chromium Remote Code Execution in electron
- CVE-2018-1000118 Electron protocol handler browser vulnerable to Command Injection
- CVE-2026-34780 Electron: Context Isolation bypass via contextBridge VideoFrame transfer
- CVE-2026-102676 Electron: <webview> can enable Node.js integration in Web Workers despite embedder restrictions
- CVE-2026-102673 Electron drops inherited HTML sandbox restrictions for popups opened through OpenURLFromTab
Sources
Also known as GHSA-f2r8-jv7c-xqmp.