diff --git a/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.test.ts b/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.test.ts
index a2915fef4380..8f660e1a776b 100644
--- a/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.test.ts
+++ b/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.test.ts
@@ -438,3 +438,23 @@ test('should handle metrics without labels', () => {
   expect(grid!.rowHeaders).toEqual(['']);
   expect(grid!.colHeaders).toEqual(['count']);
 });
+
+test('should preserve slice_id and dashboardId for embedded dashboard permissions', () => {
+  const formDataWithDashboardContext: TestFormData = {
+    ...baseFormData,
+    slice_id: 42,
+    dashboardId: 123,
+  };
+
+  const grid = generateMatrixifyGrid(formDataWithDashboardContext);
+
+  expect(grid).not.toBeNull();
+  const cell = grid!.cells[0][0];
+
+  // slice_id must be preserved for embedded dashboard permission checks
+  // The backend uses slice_id to verify the chart belongs to the dashboard
+  expect(cell!.formData.slice_id).toBe(42);
+
+  // dashboardId must be preserved for embedded dashboard context
+  expect(cell!.formData.dashboardId).toBe(123);
+});
diff --git a/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.ts b/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.ts
index cc12d396b9ec..59c5f9ed7337 100644
--- a/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.ts
+++ b/superset-frontend/packages/superset-ui-core/src/chart/components/Matrixify/MatrixifyGridGenerator.ts
@@ -125,9 +125,9 @@ function generateCellFormData(
   });
 
   // Override fields that could cause issues in grid cells
+  // Note: slice_id is intentionally preserved for embedded dashboard permission checks
   const overrides: Partial<QueryFormData> = {
     slice_name: undefined,
-    slice_id: undefined,
     header_font_size: undefined,
     subheader: undefined,
     show_title: undefined,
diff --git a/superset/jinja_context.py b/superset/jinja_context.py
index dc9411030e53..15b8d0495a1b 100644
--- a/superset/jinja_context.py
+++ b/superset/jinja_context.py
@@ -122,13 +122,13 @@ class ExtraCache:
     # be added to the cache key.
     regex = re.compile(
         r"(\{\{|\{%)[^{}]*?("
-        r"current_user_id\([^()]*\)|"
-        r"current_username\([^()]*\)|"
-        r"current_user_email\([^()]*\)|"
-        r"current_user_rls_rules\([^()]*\)|"
-        r"current_user_roles\([^()]*\)|"
-        r"cache_key_wrapper\([^()]*\)|"
-        r"url_param\([^()]*\)"
+        r"current_user_id\([^)]*\)|"
+        r"current_username\([^)]*\)|"
+        r"current_user_email\([^)]*\)|"
+        r"current_user_rls_rules\([^)]*\)|"
+        r"current_user_roles\([^)]*\)|"
+        r"cache_key_wrapper\([^)]*\)|"
+        r"url_param\([^)]*\)"
         r")"
         r"[^{}]*?(\}\}|\%\})"
     )
diff --git a/tests/unit_tests/jinja_context_test.py b/tests/unit_tests/jinja_context_test.py
index 929c470b3159..9ba84315fac4 100644
--- a/tests/unit_tests/jinja_context_test.py
+++ b/tests/unit_tests/jinja_context_test.py
@@ -1693,3 +1693,24 @@ def test_undefined_template_variable_not_function(mocker: MockerFixture) -> None
     template = "SELECT {{ undefined_variable.some_method() }}"
     with pytest.raises(UndefinedError):
         processor.process_template(template)
+
+
+@pytest.mark.parametrize(
+    ("sql", "expected"),
+    [
+        ("SELECT {{ cache_key_wrapper(abc) }}", True),
+        ("SELECT {{ cache_key_wrapper(myfunc()) }}", True),
+        ("SELECT {{ url_param('foo') }}", True),
+        ("SELECT {{ url_param(get_param('foo')) }}", True),
+        ("SELECT {{ current_user_id() }}", True),
+        ("SELECT {{ current_username() }}", True),
+        ("SELECT {{ current_user_email() }}", True),
+        ("SELECT {{ current_user_roles() }}", True),
+        ("SELECT {{ current_user_rls_rules() }}", True),
+        ("SELECT 'cache_key_wrapper(abc)' AS false_positive", False),
+        ("SELECT 1", False),
+        ("SELECT '{{ 1 + 1 }}'", False),
+    ],
+)
+def test_extra_cache_regex(sql: str, expected: bool) -> None:
+    assert bool(ExtraCache.regex.search(sql)) is expected