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@pepijn-vanvlaanderen pepijn-vanvlaanderen commented Dec 14, 2025

Summary

What — What changes are introduced in this PR?

Allow the relation selection in the Store API customer endpoints.

Why — Why are these changes relevant or necessary?

Now you need 2 queries in the frontend to retrieve the customer groups.

How — How have these changes been implemented?

Added the groups relation to the allowed fields.

Testing — How have these changes been tested, or how can the reviewer test the feature?

We run this in a patch on our projects.


Examples

Provide examples or code snippets that demonstrate how this feature works, or how it can be used in practice.
This helps with documentation and ensures maintainers can quickly understand and verify the change.

// Example usage

Checklist

Please ensure the following before requesting a review:

  • I have added a changeset for this PR
    • Every non-breaking change should be marked as a patch
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  • The changes are covered by relevant tests
  • I have verified the code works as intended locally
  • I have linked the related issue(s) if applicable

Note

Enable fetching customer groups in the Store Customers API by adding "groups" to the allowed retrieve fields.

Written by Cursor Bugbot for commit 02f42e4. This will update automatically on new commits. Configure here.

@pepijn-vanvlaanderen pepijn-vanvlaanderen requested a review from a team as a code owner December 14, 2025 15:09
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changeset-bot bot commented Dec 14, 2025

🦋 Changeset detected

Latest commit: 02f42e4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 75 packages
Name Type
@medusajs/medusa Patch
@medusajs/test-utils Patch
@medusajs/medusa-oas-cli Patch
integration-tests-http Patch
@medusajs/analytics Patch
@medusajs/api-key Patch
@medusajs/auth Patch
@medusajs/caching Patch
@medusajs/cart Patch
@medusajs/currency Patch
@medusajs/customer Patch
@medusajs/file Patch
@medusajs/fulfillment Patch
@medusajs/index Patch
@medusajs/inventory Patch
@medusajs/link-modules Patch
@medusajs/locking Patch
@medusajs/notification Patch
@medusajs/order Patch
@medusajs/payment Patch
@medusajs/pricing Patch
@medusajs/product Patch
@medusajs/promotion Patch
@medusajs/region Patch
@medusajs/sales-channel Patch
@medusajs/settings Patch
@medusajs/stock-location Patch
@medusajs/store Patch
@medusajs/tax Patch
@medusajs/translation Patch
@medusajs/user Patch
@medusajs/workflow-engine-inmemory Patch
@medusajs/workflow-engine-redis Patch
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@medusajs/event-bus-local Patch
@medusajs/event-bus-redis Patch
@medusajs/analytics-local Patch
@medusajs/analytics-posthog Patch
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@medusajs/caching-redis Patch
@medusajs/file-local Patch
@medusajs/file-s3 Patch
@medusajs/fulfillment-manual Patch
@medusajs/locking-postgres Patch
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@medusajs/notification-local Patch
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@medusajs/payment-stripe Patch
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This is the final PR Bugbot will review for you during this billing cycle

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"orders",
"groups",
],
isList: false,
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Bug: Store API may expose group customer data

Adding groups to retrieveTransformQueryConfig.allowed can allow store clients to request nested group fields (for example groups.customers...) if the query-field validator permits prefixes. That risks leaking other customers’ data through the customer.groups relation in Store API responses.

Fix in Cursor Fix in Web

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Requesting customer.groups is not allowed, so this does not seems to be an issue.

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here the problem is not customer.groups but group.customers have you tried to see if it makes it available?

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Ah sorry, I reversed it in my reply. But yes tried it on customer.groups and with customer.*

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have you tried customer.groups.customers?

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