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CVE-2026-53638

MediumCVSS 4.3 / 10
Published Sep 8, 2026·Last modified Sep 9, 2026
Affected Components(39)
sylius/sylius
2.0.9
sylius/sylius
2.1.1
sylius/sylius
2.1.6
1 / 13
Description

Sylius is an Open Source eCommerce Framework on Symfony. Starting in version 2.0.0 and prior to version 2.0.18, 2.1.15, and 2.2.6, an authorization bypass vulnerability exists in the shop account API. The PATCH /api/v2/shop/account/orders/{tokenValue}/payments/{paymentId} endpoint, used by an authenticated shop customer to change the payment method of an order that has been placed but not yet paid (state STATE_NEW), does not validate that the chosen payment method is enabled for the order's channel. The equivalent checkout endpoint (PATCH /api/v2/shop/orders/{tokenValue}/payments/{paymentId}) correctly rejects out-of-channel payment methods with HTTP 422; the account endpoint silently accepts them and returns HTTP 200. An authenticated customer can therefore assign any globally enabled payment method to their own placed order, including methods that the store operator has explicitly excluded from that channel. The issue is fixed in versions: 2.0.18, 2.1.15, 2.2.6 and above. As a workaround, decorate the Sylius\Bundle\ApiBundle\Changer\PaymentMethodChangerInterface service in the application.

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Risk Scores
Base Score
4.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the integrity of the data.

Threat Intelligence
4.0

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.28%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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