From f4b9c202d601902fe065afe59d7e73b15da76a39 Mon Sep 17 00:00:00 2001
From: Kaushal Shriwas <kaushalshriwas118@gmail.com>
Date: Sat, 21 Mar 2026 15:37:52 +0530
Subject: [PATCH] fix(filter): parse JSON-encoded values in FilterTuple before
 comma split

---
 frappe/types/filter.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/frappe/types/filter.py b/frappe/types/filter.py
index acf9369322..5f3811fd6c 100644
--- a/frappe/types/filter.py
+++ b/frappe/types/filter.py
@@ -1,3 +1,4 @@
+import json
 import textwrap
 from collections import defaultdict
 from collections.abc import Generator, Iterable, Mapping, Sequence
@@ -110,7 +111,11 @@ class FilterTuple(_FilterTuple):
 
 			# soundness
 			if operator in ("in", "not in") and isinstance(value, str):
-				value = value.split(",")
+				try:
+					parsed = json.loads(value)
+					value = parsed if isinstance(parsed, list) else [parsed]
+				except ValueError:
+					value = value.split(",")
 
 			_value: Value
 			if isinstance(value, _InputValue):