File Transfer: i cannot transfer files from WSL2 to Private Machine

Open VPN IP: 10.10.0.1
Private Machine: 10.10.0.2
WSL2 IP: 172.26.0.0

Scenario:
wsl2@172.26.0.0 $ sudo openvpn htb.ovpn

wsl2@172.26.0.0 $ python3 -m http.server 8000
Serving HTTP on 0.0.0.0 port 8000 (http://0.0.0.0:8000/) …

wsl2@172.26.0.0 $ curl -s http://10.10.4.1:8000/test → ok

private machine
htb-user@10.10.0.2 $ curl -s http://10.10.0.1:8000/test → no response
htb-user@10.10.0.2 $ curl -s http://172.26.0.0:8000/test → no response