BaselineWatch
Desk
Your fleet and your work Fleetyour releases and the hardware they run onTriagewhat needs a decisionWatchlistthe products and platforms you runSaved searchesthe lists you come back to
This instance Sourceswhat is read, how often, under what termsDigestthe daily or weekly summary, and alerts
How it is drawn Appearancethe look and the colour schemeBrandingthe mark this instance wears
Owner sign-in

CVE-2026-70606

5.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 40.10.6, 41.9.1, 42.5.1, and 43.0.0, when a custom protocol handler returned a ProtocolResponse with a url and no session, Electron made the upstream request through defaultSession instead of the session that handled the protocol. A cached response could then be reused across otherwise isolated session partitions. Apps that use ProtocolResponse.url, omit ProtocolResponse.session, and rely on separate sessions to isolate content are affected. This issue is fixed in versions 40.10.6, 41.9.1, 42.5.1, and 43.0.0.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.9 · electronjsNVD modified 2026-10-08 13:53

Affected (CPE criteria) 6

  • cpe:2.3:a:electronjs:electron:*:*:*:*:*:node.js:*:*
  • cpe:2.3:a:electronjs:electron:43.0.0:alpha1:*:*:*:node.js:*:*
  • cpe:2.3:a:electronjs:electron:43.0.0:alpha2:*:*:*:node.js:*:*
  • cpe:2.3:a:electronjs:electron:43.0.0:alpha3:*:*:*:node.js:*:*
  • cpe:2.3:a:electronjs:electron:43.0.0:alpha4:*:*:*:node.js:*:*
  • cpe:2.3:a:electronjs:electron:43.0.0:alpha5:*:*:*:node.js:*:*

References 1