CVE-2026-70605

Electron: HTTP redirect followed into local file loader

State
Published
Severity
5.9 Medium
Published
Aug 5, 2026
Updated
Aug 6, 2026
Reserved
Aug 4, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NGitHub_M

Weaknesses

  • CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

ProductVersions
electronelectron
  • < 39.8.8Affected
  • >= 40.0.0-alpha.1, < 40.9.0Affected
  • >= 41.0.0-alpha.1, < 41.2.1Affected
  • >= 42.0.0-alpha.1, < 42.0.0-beta.3Affected

References

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