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'; amazon s3 - CORS issue using AWS Cloudfront with Signed Cookies. AllowedOrigin not getting set to what is passed in the Header - LavOzs.Com

I had the same problem with AWS S3. Did you tried on POSTMAN tool if CloudFront returns 'Access-Control-Allow-Origin: *' parameter in the response? S3 doesn't send it back if 'Origin' parameter is not present in the header request, which BTW you cannot modify since it is sent automatically by the browser.