EUVD-2026-227559

fkie_cve-2025-31481

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. Using the Relay special node type you can bypass the configured security on an operation. This vulnerability is fixed in 4.0.22 and 3.4.17.

GHSA-cg3c-245w-728m — GraphQL query operations security can be bypassed

Affected: Packagist: api-platform/graphql, Packagist: api-platform/core

### Summary

Using the Relay special `node` type you can bypass the configured security on an operation.

### Details

Here is an example of how to apply security configurations for the GraphQL operations:

```php #[ApiResource( security: "is_granted('ROLE_USER')", operations: [ /* ... */ ], graphQlOperations: [ new Query(security: "is_granted('ROLE_USER')"), //... ], )] class Book { /* ... */ } ```

This indeed checks `is_granted('ROLE_USER')` as expected for a GraphQL query like the following:

```php ‌query { book(id: "/books/1") { title } } ```

But the security check can be bypassed by using the `node` field (that is available by default) on the root query type like that:

```php ‌query { node(id: "/books/1") { ... on Book { title } } } ```

This does not execute any security checks and can therefore be used to access any entity without restrictions by everyone that has access to the API.

### Impact

Everyone using GraphQl with the `security` attribute. Not sure whereas this works with custom resolvers nor if this also applies on mutation.

Patched at https://github.com/api-platform/core/commit/60747cc8c2fb855798c923b5537888f8d0969568

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EUVD-2026-227559

fkie_cve-2025-31481

GHSA-cg3c-245w-728m — GraphQL query operations security can be bypassed