diff --git a/UNDF-REGISTRY.json b/UNDF-REGISTRY.json
index 652e1a343..b3249540f 100644
--- a/UNDF-REGISTRY.json
+++ b/UNDF-REGISTRY.json
@@ -595,5 +595,6 @@
   "typescript-0004": "UNDF-2026-000000579",
   "dagger-0001": "UNDF-2026-000000580",
   "jackson-0001": "UNDF-2026-000000596",
-  "jackson-0002": "UNDF-2026-000000597"
+  "jackson-0002": "UNDF-2026-000000597",
+  "eclipse-jdt-0002": "UNDF-2026-000000598"
 }
diff --git a/defects/eclipse-jdt/patch/eclipse-jdt-0001-scope-getcommonsupertype-arraylist-contains.md b/defects/eclipse-jdt/patch/eclipse-jdt-0001-scope-getcommonsupertype-arraylist-contains.md
index a1a43ba49..31c05bc72 100644
--- a/defects/eclipse-jdt/patch/eclipse-jdt-0001-scope-getcommonsupertype-arraylist-contains.md
+++ b/defects/eclipse-jdt/patch/eclipse-jdt-0001-scope-getcommonsupertype-arraylist-contains.md
@@ -1,3 +1,4 @@
+# UNDF: UNDF-2026-000000384
 # UNDF: (pending)
 # eclipse-jdt-0001: Scope.getCommonSuperType — ArrayList.contains() O(N²) in BFS supertypes collection
 
diff --git a/defects/eclipse-jdt/patch/eclipse-jdt-0002-typehierarchy-allsupertypes-missing-guard.md b/defects/eclipse-jdt/patch/eclipse-jdt-0002-typehierarchy-allsupertypes-missing-guard.md
index e05b73f86..ca4474eec 100644
--- a/defects/eclipse-jdt/patch/eclipse-jdt-0002-typehierarchy-allsupertypes-missing-guard.md
+++ b/defects/eclipse-jdt/patch/eclipse-jdt-0002-typehierarchy-allsupertypes-missing-guard.md
@@ -1,3 +1,4 @@
+# UNDF: UNDF-2026-000000598
 # UNDF: (pending)
 # eclipse-jdt-0002: TypeHierarchy.getAllSupertypes0 — missing Set.add() guard on superclass recursion