Cannot do POST /V1/carts/mine or PUT V1/guest-carts/{cartId} with Intergation tokens on Magento 2.4.6-p8 and 2.4.4-p12

[ErnestsVerins]

Preconditions and environment

Magento version: 2.4.* ( Tested on 2.4.3, 2.4.4 and 2.4.6)

On Magento 2.3.5 I was able to do POST /V1/carts/mine / POST /V1/carts/mine/items OR PUT V1/guest-carts/{cartId} with Intergation tokens, but on Magento 2.4.* it doesn't work.

Steps to reproduce

1. In admin under System>Extensions>Integrations create a new integration

2. Do POST /rest/default/V1/carts with Auth. type OAuth 1.0, Signature Method HMAC-SHA256 and enter the Integration keys and tokens there. As a result, quote id value will be generated;

3. Do POST /rest/default/V1/carts/mine/items with the same Auth. and with body (add the quote_id that was created with the previous request):

{
"cartItem": {
"sku": "{sku}",
"qty": 1,
"quote_id": {quote_id}
}
}

4. Do POST rest/default/V1/guest-carts with the same Auth. type to get customer quote id.
5. Do PUT rest/default/V1/guest-carts/{cart_id} with the same Auth. and body

{
"customerId": {customer_id},
"storeId": 0
}

Expected result

• POST /rest/default/V1/carts/mine/items - item gets added to the cart
• PUT rest/default/V1/guest-carts/{cart_id} - the customer has been assigned to the specified cart

Actual result

POST /V1/carts/mine / V1/carts/mine/items:

{
    "message": "\"%fieldName\" is required. Enter and try again.",
    "parameters": {
        "fieldName": "customerId"
    }
}

PUT V1/guest-carts/{cartId} :

{
    "message": "You don't have the correct permissions to assign the customer to the cart."
}

Additional information

I'm investigating this, because the third party needs these requests to work with the integration token the same way as on the old setup (2.3.5).

In admin under System>Extensions>Integrations I have created an integration:

• Callback URL is empty;
• Identity link URL is empty;
• Resource Access is All

In admin Stores>Configurations>Services>OAuth>Consumer Settings "Allow OAuth Access Tokens to be used as standalone Bearer tokens" is set to Yes. Expiration Period is set to 30000.

Proposed solution

No response

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @ErnestsVerins. Thank you for your report.
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[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
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[engcom-Bravo]

Hi @ErnestsVerins,

Thanks for your reporting and collaboration.

We have tried to reproduce the issue in Latest 2.4-develop instance and we are able to reproduce the issue.Kindly refer the screenshots.

Hence Confirming the issue.

Thanks.

[github-jira-sync-bot]

✅ Jira issue https://jira.corp.adobe.com/browse/AC-14593 is successfully created for this GitHub issue.

[m2-assistant]

✅ Confirmed by @engcom-Bravo. Thank you for verifying the issue.
Issue Available: @engcom-Bravo, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.