CVE-2026-113411Nerimity Desktop Window Open mainWindow.js shell.openExternal improper authorization in handler for custom url scheme
Updated under an hour ago ()
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It affects Nerimity Desktop. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-939, CWE-285
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
Nerimity Desktop nerimity:desktop | 2.2.0; 2.2.1; 2.2.2; 2.3.3 not affected | CNA record |
References
- https://vuldb.com/vuln/422677vdb-entry, technical-description
- https://vuldb.com/vuln/422677/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-113411third-party-advisory
- https://vuldb.com/submit/1013190third-party-advisory
- https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/nerimity-desktop/cve.mdexploit
- https://github.com/Nerimity/nerimity-desktop/commit/f4df21bbc290f6c1956d899cf4da9e963074a6e4broken-link, patch
- https://github.com/Nerimity/nerimity-desktop/releases/tag/v2.3.3patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.