CORS headers not passed from S3 bucket

On one of my sites I have created subdomain which points to S3 bucket with this CORS policy:

        "AllowedHeaders": [
        "AllowedMethods": [
        "AllowedOrigins": [
        "ExposeHeaders": []

Unfortunetly CORS headers are not passed to Cloudflare, im pretty sure its expected behaviour, but its causing errors on my sites.
Is it possible to pass this headers? I have tried to bypass cache as said in:
But it didnt help to resolve issue.

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