CVE-2021-47713

Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query

CVSS 8.7 HIGHEPSS 0.4%CWE-770

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Hasura · Hasura GraphQL

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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