---
id: CVE-2026-113411
title: >-
  Nerimity Desktop Window Open mainWindow.js shell.openExternal improper
  authorization in handler for custom url scheme
summary: >-
  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
  impr…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-939
  - CWE-285
vendor: Nerimity
product: Desktop
affected:
  - Desktop 2.2.0
  - Desktop 2.2.1
  - Desktop 2.2.2
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T14:30:19.695Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113411'
references:
  - url: 'https://vuldb.com/vuln/422677'
    label: >-
      VDB-422677 | Nerimity Desktop Window Open mainWindow.js shell.openExternal
      improper authorization in handler for custom url scheme
  - url: 'https://vuldb.com/vuln/422677/cti'
    label: 'VDB-422677 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-113411'
    label: CVE-2026-113411 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1013190'
    label: >-
      Submit #1013190 | Nerimity nerimity-desktop 2.2.0 / commit fb9c56c97 Code
      Injection
  - url: >-
      https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/nerimity-desktop/cve.md
  - url: >-
      https://github.com/Nerimity/nerimity-desktop/commit/f4df21bbc290f6c1956d899cf4da9e963074a6e4
  - url: 'https://github.com/Nerimity/nerimity-desktop/releases/tag/v2.3.3'
tags:
  - cve.org
ingestedAt: '2026-10-20T15:09:24.124Z'
---

## Overview

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

- `Desktop 2.2.0`
- `Desktop 2.2.1`
- `Desktop 2.2.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.