CVE-2021-47713 Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query
Attackers can crash the Hasura GraphQL service by sending malicious queries with excessive nested fields, causing resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47713?
CVE-2021-47713 is a high-severity denial of service vulnerability in Hasura GraphQL, published on 22 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Hasura GraphQL 1.3.3 contains a denial of service vulnerability that allows attackers to overwhelm the service by crafting malicious GraphQL queries with excessive nested fields. Attackers can send repeated requests with extremely long query strings and multiple threads to consume server resources and potentially crash the GraphQL endpoint.
Weakness: CWE-770
Which versions are affected by CVE-2021-47713?
It affects 1 product.
Products include Hasura Graphql Engine.
How do I fix CVE-2021-47713?
No fix has been published for CVE-2021-47713 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-47713 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47713 exists.
Other vulnerabilities in Hasura GraphQL
- CVE-2021-47748 Hasura GraphQL 1.3.3 - Remote Code Execution
- CVE-2022-46792 Missing authorization in n/a
- CVE-2023-27588 Unauthenticated path traversal vulnerability in Hasura GraphQL Engine
- CVE-2019-1020015 Auth bypass in graphql-engine
- CVE-2021-47714 Hasura GraphQL 1.3.3 Local File Read via SQL Injection
Sources
Also known as GHSA-c963-4j6g-xhmv.