diff --git a/tests/integration/authorization/test_url_route_model_access.py b/tests/integration/authorization/test_url_route_model_access.py
new file mode 100644
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+++ b/tests/integration/authorization/test_url_route_model_access.py
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+"""Virtual-key model allowlist enforcement on routes that bind the model from the URL.
+
+Tracking issue: https://github.com/BerriAI/litellm/issues/48760
+
+A virtual key scoped with ``models: ["allowed-model"]`` is correctly denied a model
+named in the request body, but the Google ``generateContent`` and
+``streamGenerateContent`` routes and the ``/openai/deployments/{model}/images/...``
+routes bind the model from the URL and route on it, while the access check reads the
+body model. A body model the key may use plus a denied model in the URL is served the
+denied model. The open PR #41852 closes the chat, completions and embeddings routes,
+not these.
+
+These skeleton cases name the routes the fix must cover. They are skipped until the
+fix lands; the implementation re-checks the resolved ``self.data["model"]`` at the
+single request-processing choke point so every route is covered at once. See the
+tracking issue for the full reproduction, the N-of-N matrix and the fix-control run.
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Final
+
+import pytest
+
+pytestmark = pytest.mark.skip(
+    reason="WIP, enforcing the model allowlist on URL-bound model routes, see issue #48760"
+)
+
+
+@dataclass(frozen=True, slots=True)
+class _UrlRouteCase:
+    name: str
+    method: str
+    path: str
+    body_model: str
+    served_denied: bool
+
+
+# A key scoped to "allowed-model". Each case sends "denied-model" in the URL and
+# "allowed-model" in the body. served_denied is the behaviour on current main that
+# the fix must turn into a 403.
+_CASES: Final = (
+    _UrlRouteCase(
+        "generate_content",
+        "POST",
+        "/v1beta/models/denied-model:generateContent",
+        "allowed-model",
+        True,
+    ),
+    _UrlRouteCase(
+        "stream_generate_content",
+        "POST",
+        "/v1beta/models/denied-model:streamGenerateContent",
+        "allowed-model",
+        True,
+    ),
+    _UrlRouteCase(
+        "images_generations_deployment",
+        "POST",
+        "/openai/deployments/denied-model/images/generations",
+        "allowed-model",
+        True,
+    ),
+    _UrlRouteCase(
+        "images_edits_deployment",
+        "POST",
+        "/openai/deployments/denied-model/images/edits",
+        "allowed-model",
+        True,
+    ),
+)
+
+
+@pytest.mark.parametrize("case", _CASES, ids=lambda case: case.name)
+def test_url_route_model_outside_allowlist_is_denied(case: _UrlRouteCase) -> None:
+    """A URL-bound model outside the key allowlist must be denied before dispatch.
+
+    The served model, not just the body model, must be inside the key's allowed set.
+    The request below sends an allowed body model and a denied URL model, and must
+    return 403 key_model_access_denied with no upstream call.
+    """
+    raise NotImplementedError("fix and assertions pending, see issue #48760")