diff --git a/frappe/tests/test_utils.py b/frappe/tests/test_utils.py
index 2677f7d18f..579109d11c 100644
--- a/frappe/tests/test_utils.py
+++ b/frappe/tests/test_utils.py
@@ -366,6 +366,9 @@ class TestFilters(IntegrationTestCase):
 		self.assertEqual(get_safe_filters('[["name", "=", "ABC"]]'), [["name", "=", "ABC"]])
 		# FrappeClient encodes scalar filters via frappe.as_json — must still unwrap
 		self.assertEqual(get_safe_filters('"ABC"'), "ABC")
+		self.assertIsNone(get_safe_filters("null"))
+		self.assertIs(get_safe_filters("true"), True)
+		self.assertIs(get_safe_filters("false"), False)
 
 	def test_get_safe_filters_passes_through_non_strings(self):
 		self.assertEqual(get_safe_filters({"name": "ABC"}), {"name": "ABC"})
diff --git a/frappe/utils/__init__.py b/frappe/utils/__init__.py
index d20a754114..3f3b88b2f1 100644
--- a/frappe/utils/__init__.py
+++ b/frappe/utils/__init__.py
@@ -904,13 +904,16 @@ def call(fn, *args, **kwargs):
 
 
 def get_safe_filters(filters):
-	if isinstance(filters, str) and filters and filters[0] in '{["':
-		try:
-			return orjson.loads(filters)
-		except (TypeError, ValueError):
-			# filters are not passed, not json
-			pass
-	return filters
+	try:
+		parsed = orjson.loads(filters)
+	except (TypeError, ValueError):
+		# not a string, or not valid json
+		return filters
+	# numeric JSON is ambiguous: docnames like "3E002" parse as floats and
+	# would be corrupted by stringifying back, so keep the original string
+	if isinstance(parsed, int | float) and not isinstance(parsed, bool):
+		return filters
+	return parsed
 
 
 def create_batch(iterable: Iterable, size: int) -> Generator[Iterable]: