High · published December 22, 2025
⚡ Just a few cleverly crafted queries can send your Hasura GraphQL service into a tailspin! 🎢 Think of this as a restaurant getting flooded with orders for an impossible dish that requires all ingredients at once—eventually, the kitchen just can't keep up and everything grinds to a halt! 🍽️ An attacker can craft extremely long and nested GraphQL queries that can overwhelm your server resources, leading to a denial of service. This could prevent legitimate users from accessing your API, causing frustration and potential loss of revenue.
Think of this as a restaurant getting flooded with orders for an impossible dish that requires all ingredients at once—eventually, the kitchen just can't keep up and everything grinds to a halt! 🍽️ CVE-2021-47713 is a denial of service vulnerability in Hasura GraphQL v1.3.3 that allows attackers to exploit excessive nested fields in queries, consuming server resources and potentially crashing the endpoint.
An attacker can craft extremely long and nested GraphQL queries that can overwhelm your server resources, leading to a denial of service. This could prevent legitimate users from accessing your API, causing frustration and potential loss of revenue. To protect your service, upgrade to Hasura GraphQL version 1.3.4 or later. Additionally, consider implementing rate limiting and query complexity analysis to mitigate excessive query risks. You've got this! With these steps, you can keep your GraphQL service running smoothly! 🛡️