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EUVD-2026-209888

fkie_cve-2025-22151

Strawberry GraphQL is a library for creating GraphQL APIs. Starting in 0.182.0 and prior to version 0.257.0, a type confusion vulnerability exists in Strawberry GraphQL's relay integration that affects multiple ORM integrations (Django, SQLAlchemy, Pydantic). The vulnerability occurs when multiple GraphQL types are mapped to the same underlying model while using the relay node interface. When querying for a specific type using the global node field (e.g., FruitType:some-id), the resolver may incorrectly return an instance of a different type mapped to the same model (e.g., SpecialFruitType). This can lead to information disclosure if the alternate type exposes sensitive fields and potential privilege escalation if the alternate type contains data intended for restricted access. This vulnerability is fixed in 0.257.0.

GHSA-5xh2-23cc-5jc6 — Strawberry GraphQL has type resolution vulnerability in node interface that allows potential data leakage through incor…

Affected: PyPI: strawberry-graphql

**Vulnerability Summary** A type confusion vulnerability exists in Strawberry GraphQL's relay integration that affects multiple ORM integrations (Django, SQLAlchemy, Pydantic). The vulnerability occurs when multiple GraphQL types are mapped to the same underlying model while using the relay `node` interface.

**Affected Components** - Strawberry GraphQL relay integration - Specifically impacts implementations using: - Django integration - SQLAlchemy integration - Pydantic integration

**Technical Details**

The vulnerability manifests when: 1. Multiple GraphQL types inherit from `relay.Node` 2. These types are mapped to the same database model 3. The global `node` field is used for type resolution

Example of vulnerable code:

```python from fruits.models import Fruit import strawberry_django import strawberry

@strawberry_django.type(Fruit) class FruitType(relay.Node): name: strawberry.auto

@strawberry_django.type(Fruit) class SpecialFruitType(relay.Node): secret_name: strawberry.auto

@strawberry.type class Query: node: relay.Node = strawberry_django.node() ```

**Security Impact**

When querying for a specific type using the global `node` field (e.g., `FruitType:some-id`), the resolver may incorrectly return an instance of a different type mapped to the same model (e.g., `SpecialFruitType`). This can lead to:

1. Information disclosure if the alternate type exposes sensitive fields 2. Potential privilege escalation if the alternate type contains data in…

PYSEC-2026-1946 — Strawberry GraphQL has type resolution vulnerability in node interface that allows potential data leakage through incor…