DocumentationCommerceTools

ACP2E-4875: Admin users logged out when opening customer accounts with large address books

Last update: July 28, 2026

CREATED FOR:

  • Experienced
  • Admin
  • Developer

The ACP2E-4875 patch fixes the issue where viewing customer accounts with large address books in the Admin unexpectedly logs out Admin users. This patch is available when the Quality Patches Tool (QPT) 1.1.82 is installed. The patch ID is ACP2E-4875. Please note that this issue is scheduled to be fixed in Adobe Commerce 2.4.10.

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce (all deployment methods) 2.4.8-p3

Compatible with Adobe Commerce versions:

  • Adobe Commerce (all deployment methods) 2.4.5 - 2.4.9
NOTE
The patch might become applicable to other versions with new Quality Patches Tool releases. To check if the patch is compatible with your Adobe Commerce version, update the magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.

Issue

Admin users are unexpectedly logged out when viewing customer accounts with large address books in the Admin.

Prerequisites:

A customer account has a large address book that contains approximately 5,000 or more saved addresses.

Steps to reproduce:

  1. Sign in to the Admin.
  2. Go to Customers > All Customers.
  3. In the Actions column, click Edit for a customer account that has a large address book.
  4. On the customer page, open the Addresses tab.

Expected results:

The customer page loads successfully, and all of the customer’s saved addresses are displayed.

Actual results:

  1. The Admin user is unexpectedly signed out.
  2. The session exceeds the allowed maximum size, and a log entry similar to Session size of 1421468 exceeded allowed session max size of 256000 is recorded.

Apply the patch

To apply individual patches, use the following links depending on your deployment method:

To learn more about Quality Patches Tool, refer to:

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