diff --git a/release-notes/VERSION b/release-notes/VERSION
index 8c6835c53..253d056cc 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -67,6 +67,7 @@ One more patch release for 1.9.
 * [databind#2462]: Block two more gadget types (commons-configuration/-2, CVE-2019-14892)
 * [databind#2469]: Block one more gadget type (xalan2, might be related to CVE-2019-14893)
 * [databind#2704]: Block one more gadget type (xalan2, CVE-2020-14062)
+* [databind#2765]: Block one more gadget type (org.jsecurity, 2020-14195)
 
 1.9.13 (14-Jul-2013)
 
diff --git a/src/mapper/java/org/codehaus/jackson/map/jsontype/impl/SubTypeValidator.java b/src/mapper/java/org/codehaus/jackson/map/jsontype/impl/SubTypeValidator.java
index 535bb100f..0449fd656 100644
--- a/src/mapper/java/org/codehaus/jackson/map/jsontype/impl/SubTypeValidator.java
+++ b/src/mapper/java/org/codehaus/jackson/map/jsontype/impl/SubTypeValidator.java
@@ -184,6 +184,9 @@ public class SubTypeValidator
         s.add("oracle.jms.AQjmsXAQueueConnectionFactory");
         s.add("oracle.jms.AQjmsXAConnectionFactory");
 
+        // [databind#2764]: org.jsecurity:
+        s.add("org.jsecurity.realm.jndi.JndiRealmFactory");
+
         DEFAULT_NO_DESER_CLASS_NAMES = Collections.unmodifiableSet(s);
     }