[Workflow]: request with non matching host and origin, returning 403

[yzhi429]

Checklist

• I am using SillyTavern 1.16.0 or newer
• ComfyUI is running and reachable
• I tested this with the workflow I am attaching below

SillyTavern Version

1.18.0

ComfyUI Host

http://127.0.0.1:8188/

Workflow JSON

wai.json

Describe the issue

I've no idea what is happening honestly. the normal sillytavern image generation can connect to ComfyUI, but this extension can't

Console / ComfyUI Errors

[WARNING] WARNING: request with non matching host and origin 127.0.0.1:8188 != 127.0.0.1:8000, returning 403

Screenshots

Screenshot 2026-07-15 025604.png

[yzhi429]

Oh and I'm using ST-Launcher to launch ComfyUI, idk if that changes anything