From 12ab40f4cc2f3e69453c9baa36c5a43e527abe71 Mon Sep 17 00:00:00 2001
From: Anastasiia Alekseenko <aaleksee@akamai.com>
Date: Wed, 14 Jan 2026 13:39:13 +0100
Subject: [PATCH 1/2] feat: [UIE-9988] - IAM Delegation: fix payload for
 changing role flow

---
 .../src/features/IAM/Shared/utilities.test.ts | 82 ++++++++++++++++++-
 .../src/features/IAM/Shared/utilities.ts      | 12 ++-
 2 files changed, 89 insertions(+), 5 deletions(-)

diff --git a/packages/manager/src/features/IAM/Shared/utilities.test.ts b/packages/manager/src/features/IAM/Shared/utilities.test.ts
index 9773013e7c2..e8c68667524 100644
--- a/packages/manager/src/features/IAM/Shared/utilities.test.ts
+++ b/packages/manager/src/features/IAM/Shared/utilities.test.ts
@@ -23,7 +23,7 @@ import {
 
 import type { EntitiesRole, ExtendedRoleView, RoleView } from './types';
 import type { AssignNewRoleFormValues } from './utilities';
-import type { EntityAccess } from '@linode/api-v4';
+import type { EntityAccess, IamUserRoles } from '@linode/api-v4';
 
 const accountAccess = 'account_access';
 const entityAccess = 'entity_access';
@@ -229,6 +229,86 @@ describe('changeUserRole', () => {
       })
     ).toEqual(expectedRoles);
   });
+
+  it('should return an object of updated users roles with resource access', () => {
+    const assignedRoles: IamUserRoles = {
+      account_access: [],
+      entity_access: [
+        {
+          id: 12345678,
+          roles: ['linode_admin', 'linode_contributor'],
+          type: 'linode',
+        },
+      ],
+    };
+
+    const initialRole = 'linode_admin';
+    const newRole = 'linode_contributor';
+
+    const expectedRoles = {
+      account_access: [],
+      entity_access: [
+        {
+          id: 12345678,
+          roles: ['linode_contributor'],
+          type: 'linode',
+        },
+      ],
+    };
+    expect(
+      changeUserRole({
+        access: entityAccess,
+        assignedRoles,
+        initialRole,
+        newRole,
+      })
+    ).toEqual(expectedRoles);
+  });
+
+  it('should return an object of updated users roles with resource access', () => {
+    const assignedRoles: IamUserRoles = {
+      account_access: [],
+      entity_access: [
+        {
+          id: 12345678,
+          roles: ['linode_admin', 'linode_contributor'],
+          type: 'linode',
+        },
+        {
+          id: 1234,
+          roles: ['linode_admin'],
+          type: 'linode',
+        },
+      ],
+    };
+
+    const initialRole = 'linode_admin';
+    const newRole = 'linode_contributor';
+
+    const expectedRoles = {
+      account_access: [],
+      entity_access: [
+        {
+          id: 12345678,
+          roles: ['linode_contributor'],
+          type: 'linode',
+        },
+        {
+          id: 1234,
+          roles: ['linode_contributor'],
+          type: 'linode',
+        },
+      ],
+    };
+    expect(
+      changeUserRole({
+        access: entityAccess,
+        assignedRoles,
+        initialRole,
+        newRole,
+      })
+    ).toEqual(expectedRoles);
+  });
 });
 
 describe('deleteUserRole', () => {
diff --git a/packages/manager/src/features/IAM/Shared/utilities.ts b/packages/manager/src/features/IAM/Shared/utilities.ts
index 91a1b4cadbc..9053c157334 100644
--- a/packages/manager/src/features/IAM/Shared/utilities.ts
+++ b/packages/manager/src/features/IAM/Shared/utilities.ts
@@ -226,10 +226,14 @@ export const changeUserRole = ({
     return {
       ...assignedRoles,
       entity_access: assignedRoles.entity_access.map(
-        (resource: EntityAccess) => ({
-          ...resource,
-          roles: resource.roles.map((role: EntityRoleType) =>
-            role === initialRole ? (newRole as EntityRoleType) : role
+        (entity: EntityAccess) => ({
+          ...entity,
+          roles: Array.from(
+            new Set(
+              entity.roles.map((role: EntityRoleType) =>
+                role === initialRole ? (newRole as EntityRoleType) : role
+              )
+            )
           ),
         })
       ),

From 003d5ed2ed3e585014cef54198113517da5e248a Mon Sep 17 00:00:00 2001
From: Anastasiia Alekseenko <aaleksee@akamai.com>
Date: Wed, 14 Jan 2026 13:56:08 +0100
Subject: [PATCH 2/2] Added changeset: IAM Delegation: fix payload for changing
 role flow

---
 packages/manager/.changeset/pr-13279-fixed-1768395368171.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 packages/manager/.changeset/pr-13279-fixed-1768395368171.md

diff --git a/packages/manager/.changeset/pr-13279-fixed-1768395368171.md b/packages/manager/.changeset/pr-13279-fixed-1768395368171.md
new file mode 100644
index 00000000000..52992986797
--- /dev/null
+++ b/packages/manager/.changeset/pr-13279-fixed-1768395368171.md
@@ -0,0 +1,5 @@
+---
+"@linode/manager": Fixed
+---
+
+IAM Delegation: fix payload for changing role flow ([#13279](https://github.com/linode/manager/pull/13279))