CVE-2026-31821
Sylius is Missing Authorization in API v2 Add Item Endpoint
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Sylius is an Open Source eCommerce Framework on Symfony. The POST /api/v2/shop/orders/{tokenValue}/items endpoint does not verify cart ownership. An unauthenticated attacker can add items to other registered customers' carts by knowing the cart tokenValue. An attacker who obtains a cart tokenValue can add arbitrary items to another customer's cart. The endpoint returns the full cart representation in the response (HTTP 201). The issue is fixed in versions: 2.0.16, 2.1.12, 2.2.3 and above.
| CWE | CWE-862 |
| Vendor | sylius |
| Product | sylius |
| Published | Mar 10, 2026 |
| Last Updated | Mar 11, 2026 |
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Affected Versions
Sylius / Sylius
>= 2.2.0, < 2.2.3 >= 2.1.0, < 2.1.12 >= 2.0.0, < 2.0.16