CVE-2026-113411
Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url scheme
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 20, 2026
- Updated
- Oct 22, 2026
- Reserved
- Oct 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DesktopNerimity |
|
References
- VDB-422677 | Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url schemevdb-entrytechnical-description
- VDB-422677 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-113411 | CVE Analysis and Reportthird-party-advisory
- Submit #1013190 | Nerimity nerimity-desktop 2.2.0 / commit fb9c56c97 Code Injectionthird-party-advisory
- https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/nerimity-desktop/cve.mdexploit
- https://github.com/Nerimity/nerimity-desktop/commit/f4df21bbc290f6c1956d899cf4da9e963074a6e4broken-linkpatch
- https://github.com/Nerimity/nerimity-desktop/releases/tag/v2.3.3patch
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