From 7ab0478f315aba09467822d608ff8d9e7b5f39be Mon Sep 17 00:00:00 2001
From: Classic298 <27028174+Classic298@users.noreply.github.com>
Date: Fri, 3 Apr 2026 17:17:28 +0200
Subject: [PATCH] fix: wrap non-JSON SSE error responses in JSON so middleware
 handles them

---
 backend/open_webui/routers/openai.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/backend/open_webui/routers/openai.py b/backend/open_webui/routers/openai.py
index ce290d09b2..0c0228cb52 100644
--- a/backend/open_webui/routers/openai.py
+++ b/backend/open_webui/routers/openai.py
@@ -1206,7 +1206,10 @@ async def generate_chat_completion(
                     error_json = json.loads(error_body)
                     return JSONResponse(status_code=r.status, content=error_json)
                 except json.JSONDecodeError:
-                    return PlainTextResponse(status_code=r.status, content=error_body)
+                    return JSONResponse(
+                        status_code=r.status,
+                        content={"error": {"message": error_body, "code": r.status}},
+                    )
 
             streaming = True
             return StreamingResponse(