CVE-2026-70604
Last modified
CVE-2026-70604 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.3, 41.4.0, and 42.0.0, a custom scheme registered with supportFetchAPI: true but without corsEnabled: true was not subject to CORS enforcement.
Description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.3, 41.4.0, and 42.0.0, a custom scheme registered with supportFetchAPI: true but without corsEnabled: true was not subject to CORS enforcement. A page loaded from a remote origin could therefore fetch() or XMLHttpRequest that scheme cross-origin and read the full response body, rather than the read being blocked. Apps that serve sensitive data from such a scheme and load remote or untrusted content in a renderer are affected. This issue is fixed in versions 39.8.10, 40.9.3, 41.4.0, and 42.0.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| electron | electron | < 39.8.10; >= 40.0.0-alpha.1, < 40.9.3; >= 41.0.0-alpha.1, < 41.4.0; >= 42.0.0-alpha.1, < 42.0.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-70604?
How severe is CVE-2026-70604?
How do I fix CVE-2026-70604?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-70599Electron is a framework for writing cross-platform desktop a…5.9
- CVE-2026-7060A vulnerability was determined in liyupi yu-picture up to a0…7.3
- CVE-2026-70600Electron is a framework for writing cross-platform desktop a…3.1
- CVE-2026-70601Electron is a framework for writing cross-platform desktop a…7.5
- CVE-2026-70602Electron is a framework for writing cross-platform desktop a…6.6
- CVE-2026-70603Electron is a framework for writing cross-platform desktop a…6
- CVE-2026-70605Electron is a framework for writing cross-platform desktop a…5.9
- CVE-2026-70606Electron is a framework for writing cross-platform desktop a…5.9
- CVE-2026-70607Electron is a framework for writing cross-platform desktop a…5.3
- CVE-2026-70608Electron is a framework for writing cross-platform desktop a…7.2
- CVE-2026-70609Electron is a framework for writing cross-platform desktop a…5.7
- CVE-2026-7061A weakness has been identified in Toowiredd chatgpt-mcp-serv…7.3
Are you affected by CVE-2026-70604?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST