From 0cedc7ed8046c71013f4e90a7f7b4388a0c6b5e0 Mon Sep 17 00:00:00 2001
From: Yuneng Jiang <yuneng@berri.ai>
Date: Thu, 8 Oct 2026 23:16:26 -0700
Subject: [PATCH] fix(proxy): ignore a display_name set on config
 credential_list entries so non-string values cannot fail boot

---
 litellm/proxy/proxy_server.py                   |  3 ++-
 .../proxy/proxy_server/test_proxy_config.py     | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 4493f53e93a..67fec38e39e 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -6314,7 +6314,8 @@ class ProxyConfig:
         credential_list = []
         if credential_list_dict:
             credential_list = [
-                CredentialItem.model_validate({**cred, "source": "config"}) for cred in credential_list_dict
+                CredentialItem.model_validate({**cred, "display_name": None, "source": "config"})
+                for cred in credential_list_dict
             ]
         return credential_list
 
diff --git a/tests/unit/proxy/proxy_server/test_proxy_config.py b/tests/unit/proxy/proxy_server/test_proxy_config.py
index 04a06454a8b..c8c89662583 100644
--- a/tests/unit/proxy/proxy_server/test_proxy_config.py
+++ b/tests/unit/proxy/proxy_server/test_proxy_config.py
@@ -1874,6 +1874,23 @@ def test_ProxyConfig_load_credential_list_tags_every_entry_as_config_defined():
     assert [(cred.credential_name, cred.source) for cred in creds] == [("plain", "config"), ("claims-db", "config")]
 
 
+@pytest.mark.parametrize("display_name", [2024, True, "Azure Prod"])
+def test_ProxyConfig_load_credential_list_ignores_a_display_name_set_in_config(display_name):
+    creds = ProxyConfig().load_credential_list(
+        {
+            "credential_list": [
+                {
+                    "credential_name": "azure_cred",
+                    "display_name": display_name,
+                    "credential_info": {},
+                    "credential_values": {"api_key": "sk-x"},
+                }
+            ]
+        }
+    )
+    assert [(cred.credential_name, cred.display_name) for cred in creds] == [("azure_cred", None)]
+
+
 def test_ProxyConfig_load_credential_list_invalid_entry_raises():
     pc = ProxyConfig()
     with pytest.raises(ValidationError):