GHSA-RJG6-39JM-RGG4 @better-auth/scim: account takeover and stale access via SCIM provider-id collision

Am I affected? You are affected if your application registers the @better-auth/scim plugin and lets authenticated users generate SCIM tokens. The default canGenerateToken policy was affected, and custom policies were affected when they did not reject provider IDs already used by other account...