diff --git a/app/graphql/types/work_items/widgets/assignees_type.rb b/app/graphql/types/work_items/widgets/assignees_type.rb
index 001ace77d6ef25f1f8fcd1d804808420f03593bf..08ee06fdfa04d948ba61a5030f3dda5ffc680d2b 100644
--- a/app/graphql/types/work_items/widgets/assignees_type.rb
+++ b/app/graphql/types/work_items/widgets/assignees_type.rb
@@ -17,6 +17,13 @@ class AssigneesType < BaseObject
 
         field :allows_multiple_assignees, GraphQL::Types::Boolean, null: true, method: :allows_multiple_assignees?,
               description: 'Indicates whether multiple assignees are allowed.'
+
+        field :can_invite_members, GraphQL::Types::Boolean, null: false, resolver_method: :can_invite_members?,
+              description: 'Indicates whether the current user can invite members to the work item\'s project.'
+
+        def can_invite_members?
+          Ability.allowed?(current_user, :admin_project_member, object.work_item.project)
+        end
       end
       # rubocop:enable Graphql/AuthorizeTypes
     end
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index ed9842870cd80d8bb20d08a93cf2a8b085801fd5..0f4040d0ae9b9a277921e284e94cd3cc094f0ec3 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -18498,6 +18498,7 @@ Represents an assignees widget.
 | ---- | ---- | ----------- |
 | <a id="workitemwidgetassigneesallowsmultipleassignees"></a>`allowsMultipleAssignees` | [`Boolean`](#boolean) | Indicates whether multiple assignees are allowed. |
 | <a id="workitemwidgetassigneesassignees"></a>`assignees` | [`UserCoreConnection`](#usercoreconnection) | Assignees of the work item. (see [Connections](#connections)) |
+| <a id="workitemwidgetassigneescaninvitemembers"></a>`canInviteMembers` | [`Boolean!`](#boolean) | Indicates whether the current user can invite members to the work item's project. |
 | <a id="workitemwidgetassigneestype"></a>`type` | [`WorkItemWidgetType`](#workitemwidgettype) | Widget type. |
 
 ### `WorkItemWidgetDescription`
diff --git a/spec/graphql/types/work_items/widgets/assignees_type_spec.rb b/spec/graphql/types/work_items/widgets/assignees_type_spec.rb
index 2db0667faea4e89cf04f08a9fa65dc076a443107..816e66f1db1df5a19feeb1f66ec3e164b84a9d5f 100644
--- a/spec/graphql/types/work_items/widgets/assignees_type_spec.rb
+++ b/spec/graphql/types/work_items/widgets/assignees_type_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Types::WorkItems::Widgets::AssigneesType do
   it 'exposes the expected fields' do
-    expected_fields = %i[assignees allows_multiple_assignees type]
+    expected_fields = %i[assignees allows_multiple_assignees can_invite_members type]
 
     expect(described_class).to have_graphql_fields(*expected_fields)
   end
diff --git a/spec/requests/api/graphql/work_item_spec.rb b/spec/requests/api/graphql/work_item_spec.rb
index 70fa8100411f1a2e8be0d6af42a851a855c15c5c..f17d2ebbb7e1dd1bfcbeda4d9a19014543e4568b 100644
--- a/spec/requests/api/graphql/work_item_spec.rb
+++ b/spec/requests/api/graphql/work_item_spec.rb
@@ -200,6 +200,7 @@
               type
               ... on WorkItemWidgetAssignees {
                 allowsMultipleAssignees
+                canInviteMembers
                 assignees {
                   nodes {
                     id
@@ -218,6 +219,7 @@
               hash_including(
                 'type' => 'ASSIGNEES',
                 'allowsMultipleAssignees' => boolean,
+                'canInviteMembers' => boolean,
                 'assignees' => {
                   'nodes' => match_array(
                     assignees.map { |a| { 'id' => a.to_gid.to_s, 'username' => a.username } }