CVE-2026-113411: Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url scheme
A vulnerability was found in Nerimity Desktop up to 2.2.2. Affected by this issue is the function shell.openExternal of the file src/mainWindow.js of the component Window Open Handler. The manipulation of the argument url results in improper authorization in handler for custom url scheme. The attack can be executed remotely. The exploit has been made public and could be used. Upgrading to version 2.3.3 can resolve this issue. The patch is identified as f4df21bbc290f6c1956d899cf4da9e963074a6e4. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Nerimity Desktopto a version that resolves this vulnerability.Fixed in 2.3.3Patch f4df21bbc290f6c1956d899cf4da9e963074a6e4
Event History
Frequently Asked Questions
Which versions should be considered affected?
Nerimity Desktop versions up to and including 2.2.2 are affected. Upgrading to version 2.3.3 resolves the issue.
What would an attacker need to exploit this issue?
The attack can be executed remotely and requires user interaction. It involves manipulating a URL passed to the custom URL scheme handler that calls shell.openExternal.
Is public exploit information available?
Yes. A public exploit has been made available and could be used.
What should be done if the application is deployed?
Upgrade the affected Nerimity Desktop component to version 2.3.3. The fix is identified by patch commit f4df21bbc290f6c1956d899cf4da9e963074a6e4.