Access denied on System Admin Menu Block Access Check

Open on Drupal.org →

Created on 11 July 2025, about 1 month ago

Problem/Motivation

Trying to create a menu link with the parent set to system.admin and the route name set to a custom route. On my routing.yml the controller I am pointing to is using: _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'

and the requirements are set to _access: 'TRUE'. When I visit the route i get an access denied message.

Steps to reproduce

routing.yml:
```
example_mod.admin_index:
path: '/admin/example_mod'
defaults:
_controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
_title: 'Example Mod'
requirements:
_access: 'TRUE'
```

links.menu.yml:
```
example_mod.admin_index:
title: Example Mod
route_name: example_mod.admin_index
parent: system.admin
description: 'Example Mod'
position: left
weight: 0
```

Proposed resolution

the function `hasAccessToChildMenuItems` in /web/core/modules/system/src/Access/SystemAdminMenuBlockAccessCheck.php

seems to be returning AccessResult::neutral() for some reason.

Remaining tasks

User interface changes

Introduced terminology

API changes

Data model changes

Release notes snippet

🐛 Bug report

Status

Active

Version

11.2 🔥

Component

system.module

Created by

🇺🇸United States blu_regard

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Merge Requests

!12766Access denied on System Admin Menu Block Access Check
Open
🇮🇳India ankusht1515
updated 30 days ago

Comments & Activities

Issue created by @blu_regard
Comment about 1 month ago →
🇳🇿New Zealand quietone
Bug are fixed on the main development branch, 11.x, first. Thanks
Comment about 1 month ago →
🇺🇸United States blu_regard
I tagged this incorrectly, i'm on Version 11.2.2. i'll see if i can bring the fix from 11.x over to this version
Comment about 1 month ago →
🇦🇺Australia mstrelan
I think you misunderstood what @quietone meant. There is no bugfix on the 11.x branch, but if there is a bug it needs to be assessed against the 11.x branch and then backported.

the function `hasAccessToChildMenuItems` in /web/core/modules/system/src/Access/SystemAdminMenuBlockAccessCheck.php

seems to be returning AccessResult::neutral() for some reason.

It's because this loop is empty:

foreach ($this->menuLinkTree->load(NULL, $parameters) as $element)

You need at least one child menu item for this to show.
First commit to issue fork.
Merge request !12766Fixes for Access denied on System Admin Menu Block Access Check. → (Open) created by ankusht1515
Pipeline finished with Failed
30 days ago
Total: 429s
#550545
Comment 24 days ago →
🇺🇸United States smustgrave

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