diff --git a/changes/ee/fix-11728.en.md b/changes/ee/fix-11728.en.md
new file mode 100644
index 000000000..564606fea
--- /dev/null
+++ b/changes/ee/fix-11728.en.md
@@ -0,0 +1,3 @@
+Improved the LDAP filter string parser:
+1. Automatically escape special characters in filter strings.
+2. Fixed a bug that the filter value can't be `dn`.