GHSA-2V6V-25FM-P4FG SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control

Impact The filer registered the IAM gRPC service SeaweedIdentityAccessManagement with no authentication. Any client able to reach the filer gRPC port could invoke IAM RPCs — CreateUser, CreateAccessKey, PutUserPolicy, and related calls — to mint credentials and grant itself S3 administrative...