CORS Access-Control-Allow-Headers Problem

[badrelmazaz]

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Example Code

origins = [
    "*"
]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

Description

I set allow_headers=["*"]
but when browser tries to post:

And the response of the options request to get the cors info there are 2 Access-Control-Allow-Headers, I think it is quite weird

Operating System

Linux

Operating System Details

No response

FastAPI Version

0.75.1

Python Version

3.9

Additional Context

No response