Our application has met the same issue. In order to fix this, you can modify the microsoft edge policies in GPEdit:

GPEdit -> Computer Configuration -> Administrative Templates -> Microsoft Edge -> Restrict exposure of local IP address by WebRTC -> Enabled -> Allow public and private interfaces over http default route.

Additional information here https://admx.help/?Category=EdgeChromium&Policy=Microsoft.Policies.Edge::WebRtcLocalhostIpHandling