diff --git a/src/static/schema/state.schema.json b/src/static/schema/state.schema.json
index 8806b2e..c1412fb 100644
--- a/src/static/schema/state.schema.json
+++ b/src/static/schema/state.schema.json
@@ -411,7 +411,7 @@
         },
         "src_rel": {
           "minLength": 1,
-          "pattern": "^[^/].*",
+          "pattern": "^(?!\\.\\.?(?:/|$))[^/\\u0000-\\u001f\\\\]+(?:/(?!\\.\\.?(?:/|$))[^/\\u0000-\\u001f\\\\]+)*$",
           "type": "string"
         }
       },