Vulnerability · Published Dec 22, 2025 · Assigned by VulnCheck
CVE-2021-47713Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query
High 7.5
In plain English
A high-severity resource allocation without limits in Hasura GraphQL from Hasura. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 58.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hasura | Hasura GraphQL | 1.3.3 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-49789 exploit
- Hasura GraphQL Engine GitHub Repository product
- VulnCheck Advisory: Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query third-party-advisory