What’s Vulnerable › Vulnerabilities

CVE-2021-47713: Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-22 · updated 2026-06-17
• Weakness: CWE-770

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

• Hasura GraphQL: 1.3.3

References

• https://github.com/hasura/graphql-engine
• https://www.exploit-db.com/exploits/49789
• https://www.vulncheck.com/advisories/hasura-graphql-denial-of-service-via-malicious-graphql-query

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