Medium 5.9Published Aug 5, 2026

CVE-2026-70605Electron: HTTP redirect followed into local file loader

Updated under an hour ago (2026-10-19 09:50 UTC)

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It affects electron and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, when following HTTP redirects, net.fetch() and net.request() did not restrict which schemes a redirect could target. A remote server could redirect a request to a local resource, and if the app returns or forwards the response body, local file contents could be disclosed. Apps are only affected if they make net requests to attacker-influenced URLs with redirects followed and expose the response body. This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.

CVSS: 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Aug 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

electron electron electron:electron (from the name)	before 39.8.8; from 40.0.0-alpha.1, < 40.9.0; from 41.0.0-alpha.1, < 41.2.1; from 42.0.0-alpha.1, < 42.0.0-beta.3	CNA record
electronjs electron electronjs:electron	before 39.8.8; from 40.0.0 before 40.9.0; from 41.0.0 before 41.2.1; 42.0.0; 42.0.0; 42.0.0; 42.0.0; 42.0.0; and 3 more ranges	NVD

References

https://github.com/electron/electron/security/advisories/GHSA-v64r-4m7r-3mvqx-refsource-confirm, vendor-advisory

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.