A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage’s S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.
[
{
"product": "https://github.com/rails/rails",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "rails >= 5.2.4.3, rails >= 6.0.3.1"
}
]
}
]