Custom OpenAPI endpoint not receiving images

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Custom OpenAPI endpoint never receives attached image.

Steps to Reproduce

Attach an image while OpenAPI custom endpoint is set. Image is never sent.

Expected Behavior

Attaching image in Cursor attaches image in OpenAPI-style request.

Operating System

MacOS

Version Information

Version: 3.8.24
VS Code Extension API: 1.105.1
Commit: cf80f4b937f3b9c48070d7085129a838ce7876a0
Date: 2026-06-24T06:55:08.142Z
Layout: editor
Build Type: Stable
Release Track: Default
Electron: 40.10.3
Chromium: 144.0.7559.236
Node.js: 24.15.0
V8: 14.4.258.32-electron.0
xterm.js: 6.1.0-beta.256
OS: Darwin arm64 25.5.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

Hey @alen-z

Can you share a Request ID for a request where you’re facing this?

We did just fix a related bug server-side. It still might help to make sure you’re using the latest version (3.9) and restarting Cursor.