diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0d745db06a..327993175c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,9 @@ Next release
   https://github.com/aboutcode-org/scancode-toolkit/pull/4474
   https://github.com/aboutcode-org/scancode-toolkit/issues/4101
 
+- Fix: Prevent crash when parent resource is missing in Cargo package assembler. Thanks [@Iron-56](https://github.com/Iron-56)!  
+  https://github.com/nexB/scancode-toolkit/issues/1436
+  
 
 v32.4.1 - 2025-07-23
 --------------------
diff --git a/src/packagedcode/cargo.py b/src/packagedcode/cargo.py
index 3a0533d8f9..a7c8fddc8f 100644
--- a/src/packagedcode/cargo.py
+++ b/src/packagedcode/cargo.py
@@ -59,7 +59,8 @@ def assemble(cls, package_data, resource, codebase, package_adder):
                 package_data.extra_data[attribute] = 'workspace'
                 workspace_package_data[attribute] = getattr(package_data, attribute)
 
-        workspace_root_path = resource.parent(codebase).path
+        parent = resource.parent(codebase)
+        workspace_root_path = parent.path if parent else None
         if workspace_package_data and workspace_members:
 
             # TODO: support glob patterns found in cargo workspaces
@@ -97,7 +98,7 @@ def assemble(cls, package_data, resource, codebase, package_adder):
         else:
             yield from cls.assemble_from_many_datafiles(
                 datafile_name_patterns=('Cargo.toml', 'cargo.toml', 'Cargo.lock', 'cargo.lock'),
-                directory=resource.parent(codebase),
+                directory=resource.parent(codebase) or resource,
                 codebase=codebase,
                 package_adder=package_adder,
             )