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CVE-2026-53637— Sylius: Cart FormComponent allows modification or deletion of an already-completed order

Quick assessment

Affected
Sylius Sylius
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sylius 是基于 Symfony 的开源电子商务框架。版本 2.0.0 至 2.0.17、2.1.0 至 2.1.14 以及 2.2.0 至 2.2.5 中，购物车的 存在一个不恰当的工作流执行漏洞（Improper Workflow Enforcement）。当订单已完成，但购物车页面仍然保持打开状态时，陈旧的 LiveComponent 无法检测到订单状态的变化，并继续允许对购物车执行操作，这使得已认证的顾客可以修改甚至永久删除一个已经完成的订单。版本 2.0.18、2.1.15 和 2.2.6 已包含修复

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1578.002 · Create Cloud Instance
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I. Basic Information for CVE-2026-53637

Vulnerability Information
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Vulnerability Title
Sylius: Cart FormComponent allows modification or deletion of an already-completed order
Source: CVE Program / CVE List V5
Vulnerability Description
Sylius is an Open Source eCommerce Framework on Symfony. Versions 2.0.0 through 2.0.17, 2.1.0 through 2.1.14, and 2.2.0 through 2.2.5 contain an improper workflow enforcement vulnerability in the cart `FormComponent`. When an order is completed while its cart page remains open, the stale LiveComponent does not detect the order’s changed state and continues to permit cart actions, allowing an authenticated customer to modify or permanently delete an already completed order. Versions 2.0.18, 2.1.15, and 2.2.6 contain a patch. As a workaround, deployments can copy the patched `FormComponent` into the application's `src/` directory and override the `sylius_shop.twig.component.cart.form` service definition to use that class.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在过期或释放后对资源进行操作
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sylius Sylius >= 2.0.0, < 2.0.18 -

II. Public POCs for CVE-2026-53637

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III. Intelligence Information for CVE-2026-53637

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Vendor Advisories for CVE-2026-53637 (1)

Same Patch Batch · Sylius · 2026-09-08 · 3 CVEs total

CVE-2026-53639 6.3 MEDIUM Sylius: IDOR on Shop Payment Request API endpoints
CVE-2026-53638 4.3 MEDIUM Sylius: Channel-based payment method restriction bypass on shop account orders API endpoin

IV. Related Vulnerabilities

Same product: Sylius
Same vendor: Sylius
Same weakness: CWE-672

V. Comments for CVE-2026-53637

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