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CVE-2026-113411— Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url scheme

Quick assessment

Affected
Nerimity Desktop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Nerimity Desktop 2.2.2 及更早版本中发现了一个安全漏洞。该问题影响的是组件“窗口打开处理器”（Window Open Handler）中文件 的 函数。攻击者通过操纵 参数，可在自定义 URL 方案的处理器中引发授权不当问题。该攻击可远程执行，且利用代码已公开，可能被实际利用。升级到版本 2.3.3 可修复此问题，相关修复补丁的提交标识为 。建议立即升级受影响的组件。厂商已在早期被联系，并以非常专业的态度迅速响应，及时发布了修复后的产品版本。

CVSS 6.3 · Medium EPSS 0.23% · P13

Affected Version Matrix 4

VendorProduct Version RangeStatus
Nerimity Desktop 2.2.0 affected
2.2.1 affected
2.2.2 affected
2.3.3 unaffected
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I. Basic Information for CVE-2026-113411

Vulnerability Information
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Vulnerability Title
Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url scheme
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
自定义URL方案处理程序中的授权不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nerimity Desktop 2.2.0 cpe:2.3:a:nerimity:desktop:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-113411

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III. Intelligence Information for CVE-2026-113411

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Patches & Fixes for CVE-2026-113411 (1)

Vendor Pages for CVE-2026-113411 (1)

IV. Related Vulnerabilities

Same product: Desktop
Same weakness: CWE-939

V. Comments for CVE-2026-113411

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