diff --git a/src/orchestration/models/model_deployment/deployment_server.py b/src/orchestration/models/model_deployment/deployment_server.py
index b81cf9ec..4bde4a96 100644
--- a/src/orchestration/models/model_deployment/deployment_server.py
+++ b/src/orchestration/models/model_deployment/deployment_server.py
@@ -3867,7 +3867,7 @@ async def get_deployment_logs(deployment_id: str, request: Request):
 
 
 @router.get("/logs/{deployment_id}/persisted")
-async def get_persisted_deployment_logs(deployment_id: str):
+async def get_persisted_deployment_logs(deployment_id: str, request: Request):
     """
     Retrieve persisted terminal logs captured on deployment failure/stop.
     Returns the most recent log snapshot.
@@ -3881,19 +3881,22 @@ async def get_persisted_deployment_logs(deployment_id: str):
     except ValueError:
         raise HTTPException(status_code=400, detail="Invalid UUID")
 
-    conn = await asyncpg.connect(POSTGRES_DSN)
-    try:
-        repo = TerminalLogRepository(conn)
-        log_entry = await repo.get_by_deployment(dep_uuid)
-        if not log_entry:
-            return {"logs": [], "message": "No persisted logs found for this deployment"}
-        return {
-            "logs": log_entry["log_lines"],
-            "captured_at": log_entry["captured_at"].isoformat(),
-            "trigger_event": log_entry["trigger_event"],
-        }
-    finally:
-        await conn.close()
+    # The repository acquires from a pool; a bare connection has no acquire().
+    pool = request.app.state.pool
+    org_id = await pool.fetchval(
+        "SELECT org_id FROM model_deployments WHERE deployment_id = $1", dep_uuid,
+    )
+    if not _caller_owns(request, org_id):
+        raise HTTPException(status_code=404, detail="Deployment/Pool not found")
+
+    log_entry = await TerminalLogRepository(pool).get_by_deployment(dep_uuid)
+    if not log_entry:
+        return {"logs": [], "message": "No persisted logs found for this deployment"}
+    return {
+        "logs": log_entry["log_lines"],
+        "captured_at": log_entry["captured_at"].isoformat(),
+        "trigger_event": log_entry["trigger_event"],
+    }
 
 
 @router.get("/logs/{deployment_id}/stream")
diff --git a/src/tests/orchestration/model_deployment/test_logs_persisted.py b/src/tests/orchestration/model_deployment/test_logs_persisted.py
new file mode 100644
index 00000000..62fb449d
--- /dev/null
+++ b/src/tests/orchestration/model_deployment/test_logs_persisted.py
@@ -0,0 +1,98 @@
+"""GET /deployment/logs/{id}/persisted: the caller's own deployments only.
+
+The route used to pass a single connection to a repository that acquires from
+a pool, so it failed on every call. It now uses the app's pool, and answers
+another org's deployment with the same 404 as a missing one.
+"""
+from __future__ import annotations
+
+from datetime import datetime, timezone
+from uuid import uuid4
+
+import httpx
+import pytest
+from fastapi import FastAPI
+from httpx import ASGITransport
+
+from orchestration.models.model_deployment import deployment_server
+
+pytestmark = pytest.mark.asyncio
+
+
+class _Conn:
+    def __init__(self, log_row):
+        self._log_row = log_row
+
+    async def fetchrow(self, *_a, **_kw):
+        return self._log_row
+
+
+class _Acquire:
+    def __init__(self, conn):
+        self._conn = conn
+
+    async def __aenter__(self):
+        return self._conn
+
+    async def __aexit__(self, *_a):
+        return False
+
+
+class _Pool:
+    """A deployment owned by ``org_id`` (None: no such deployment)."""
+
+    def __init__(self, org_id, log_row=None):
+        self._org_id = org_id
+        self._log_row = log_row
+
+    async def fetchval(self, *_a, **_kw):
+        return self._org_id
+
+    def acquire(self):
+        return _Acquire(_Conn(self._log_row))
+
+
+def _log_row():
+    return {
+        "id": uuid4(),
+        "deployment_id": uuid4(),
+        "log_lines": ["pulling image", "container exited 1"],
+        "captured_at": datetime(2026, 10, 18, tzinfo=timezone.utc),
+        "trigger_event": "FAILED",
+    }
+
+
+async def _get(pool, org="org-1"):
+    app = FastAPI()
+    app.include_router(deployment_server.router)
+    app.state.pool = pool
+    headers = {"X-Organization-ID": org} if org is not None else {}
+    async with httpx.AsyncClient(transport=ASGITransport(app=app), base_url="http://t") as c:
+        return await c.get(f"/deployment/logs/{uuid4()}/persisted", headers=headers)
+
+
+async def test_the_owning_org_gets_its_persisted_logs():
+    r = await _get(_Pool("org-1", _log_row()))
+    assert r.status_code == 200
+    body = r.json()
+    assert body["logs"] == ["pulling image", "container exited 1"]
+    assert body["trigger_event"] == "FAILED"
+
+
+async def test_a_deployment_without_persisted_logs_says_so():
+    r = await _get(_Pool("org-1", None))
+    assert r.status_code == 200
+    assert r.json()["logs"] == []
+
+
+@pytest.mark.parametrize("org", ["org-2", "", None], ids=["other-org", "empty", "no-header"])
+async def test_a_deployment_outside_the_callers_org_is_not_found(org):
+    # 404, not 403: the same answer as a missing deployment reveals nothing.
+    r = await _get(_Pool("org-1", _log_row()), org)
+    assert r.status_code == 404
+    assert r.json()["detail"] == "Deployment/Pool not found"
+
+
+async def test_a_missing_deployment_is_not_found():
+    r = await _get(_Pool(None))
+    assert r.status_code == 404