Blog
Electron apps and localhost CORS: custom protocols and webSecurity
Electron can disable webSecurity in dev only; production builds should mirror real browser constraints.
1 min read
electrondesktopcors
Partitioned sessions
Isolate session partitions per account to avoid token bleed between embedded webviews.
If you embed remote sites, their CORS rules still apply to fetch from that origin.
Shipping checklist
Run smoke tests with webSecurity enabled before release.
Document which origins your packaged app whitelists for API calls.