diff --git a/backend/open_webui/retrieval/loaders/mistral.py b/backend/open_webui/retrieval/loaders/mistral.py
index b00e9d7ce5..b7f2622f5e 100644
--- a/backend/open_webui/retrieval/loaders/mistral.py
+++ b/backend/open_webui/retrieval/loaders/mistral.py
@@ -507,6 +507,7 @@ class MistralLoader:
             timeout=timeout,
             headers={"User-Agent": "OpenWebUI-MistralLoader/2.0"},
             raise_for_status=False,  # We handle status codes manually
+            trust_env=True,
         ) as session:
             yield session
 
diff --git a/backend/open_webui/routers/auths.py b/backend/open_webui/routers/auths.py
index 60a12db4b3..d9849d0a7b 100644
--- a/backend/open_webui/routers/auths.py
+++ b/backend/open_webui/routers/auths.py
@@ -674,7 +674,7 @@ async def signout(request: Request, response: Response):
         oauth_id_token = request.cookies.get("oauth_id_token")
         if oauth_id_token:
             try:
-                async with ClientSession() as session:
+                async with ClientSession(trust_env=True) as session:
                     async with session.get(OPENID_PROVIDER_URL.value) as resp:
                         if resp.status == 200:
                             openid_data = await resp.json()
diff --git a/backend/open_webui/routers/functions.py b/backend/open_webui/routers/functions.py
index 355093335a..96d8215fb3 100644
--- a/backend/open_webui/routers/functions.py
+++ b/backend/open_webui/routers/functions.py
@@ -105,7 +105,7 @@ async def load_function_from_url(
     )
 
     try:
-        async with aiohttp.ClientSession() as session:
+        async with aiohttp.ClientSession(trust_env=True) as session:
             async with session.get(
                 url, headers={"Content-Type": "application/json"}
             ) as resp:
diff --git a/backend/open_webui/routers/tools.py b/backend/open_webui/routers/tools.py
index f726368eba..41415bff04 100644
--- a/backend/open_webui/routers/tools.py
+++ b/backend/open_webui/routers/tools.py
@@ -153,7 +153,7 @@ async def load_tool_from_url(
     )
 
     try:
-        async with aiohttp.ClientSession() as session:
+        async with aiohttp.ClientSession(trust_env=True) as session:
             async with session.get(
                 url, headers={"Content-Type": "application/json"}
             ) as resp: