VULNERABILITY INTELLIGENCE

CVE-2021-47713

CVSS score8.7 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2025-12-22
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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 classification

  • CWE-770: Allocation of Resources Without Limits or Throttling

Primary references