CVE catalog
CVE-2026-34765
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, when a renderer calls window.open() with a
- Severity
- High · CVSS 7.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.30% · Oct 25, 2026
A flaw was found in Electron, a framework for building desktop applications. This vulnerability allows a malicious component within an Electron application to hijack an existing child window opened by another part of the application if both use the same window name. This could lead to the malicious component inheriting elevated security permissions, potentially resulting in unauthorized information disclosure or, in specific configurations, arbitrary code execution. electron: Electron: Arbitrary code execution or information disclosure via incorrect window handling The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | electron | Not reported | Not reported | unknown |
| Cpe | electron | Not reported | 41.1.0 | fixed |
| Npm | electron | Not reported | 39.8.5 | fixed |
| Npm | electron | Not reported | 40.8.5 | fixed |
| Npm | electron | Not reported | 41.1.0 | fixed |
| Npm | electron | Not reported | 42.0.0-alpha.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | electron | cpe | Not reported | 41.1.0 | Not reported | Not reported | Not reported |
| Npm | electron | npm | Not reported | 39.8.5 | Not reported | Not reported | Not reported |
| Npm | electron | npm | Not reported | 40.8.5 | Not reported | Not reported | Not reported |
| Npm | electron | npm | Not reported | 41.1.0 | Not reported | Not reported | Not reported |
| Npm | electron | npm | Not reported | 42.0.0-alpha.5 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-34765]
- [https://osv.dev/vulnerability/GHSA-f3pv-wv63-48x8]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34765.json]
[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]