Ensure MapAccessor#canWrite only returns true for a Map target

Closes gh-33265
2024-07-23 18:26:53 +03:00
parent 4684a17f00
commit 4fa9781549
2 changed files with 17 additions and 1 deletions
--- a/spring-context/src/main/java/org/springframework/context/expression/MapAccessor.java
+++ b/spring-context/src/main/java/org/springframework/context/expression/MapAccessor.java
@@ -81,7 +81,7 @@ public class MapAccessor implements CompilablePropertyAccessor {

 	@Override
 	public boolean canWrite(EvaluationContext context, @Nullable Object target, String name) throws AccessException {
-		return this.allowWrite;
+		return (this.allowWrite && target instanceof Map);
 	}

 	@Override