2 files changed, 9 insertions, 2 deletions
diff --git a/core/variant/variant.h b/core/variant/variant.h
index b2f31a6d57..f694e59051 100644
--- a/core/variant/variant.h
+++ b/core/variant/variant.h
@@ -346,6 +346,10 @@ public:
 	bool is_one() const;
 	bool is_null() const;
 
+	// Make sure Variant is not implicitly cast when accessing it with bracket notation (GH-49469).
+	Variant &operator[](const Variant &p_key) = delete;
+	const Variant &operator[](const Variant &p_key) const = delete;
+
 	operator bool() const;
 	operator signed int() const;
 	operator unsigned int() const; // this is the real one
diff --git a/core/variant/variant_op.cpp b/core/variant/variant_op.cpp
index 59f562865d..33c285dc6d 100644
--- a/core/variant/variant_op.cpp
+++ b/core/variant/variant_op.cpp
@@ -1105,8 +1105,11 @@ bool Variant::in(const Variant &p_index, bool *r_valid) const {
 	evaluate(OP_IN, p_index, *this, ret, valid);
 	if (r_valid) {
 		*r_valid = valid;
+	}
+	if (valid) {
+		ERR_FAIL_COND_V(ret.type != BOOL, false);
+		return *VariantGetInternalPtr<bool>::get_ptr(&ret);
+	} else {
 		return false;
 	}
-	ERR_FAIL_COND_V(ret.type != BOOL, false);
-	return *VariantGetInternalPtr<bool>::get_ptr(&ret);
 }