Apollo Router Query Planner Vulnerable to Excessive Resource Consumption via Named Fragment Expansion

The Apollo Router Core is a configurable, high-performance graph router written in Rust to run a federated supergraph that uses Apollo Federation 2. Prior to 1.61.2 and 2.1.1, a vulnerability in Apollo Router allowed queries with deeply nested and reused named fragments to be prohibitively expensive to query plan, specifically during named fragment expansion. Named fragments were being expanded once per fragment spread during query planning, leading to exponential resource usage when deeply nested and reused fragments were involved. This could lead to excessive resource consumption and denial of service. This has been remediated in apollo-router versions 1.61.2 and 2.1.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Apollo Router Core 安全漏洞

Apollo Router Core是Apollo社区的一个路由器核心应用程序。 Apollo Router Core 1.61.2之前版本和2.1.1之前版本存在安全漏洞，该漏洞源于片段扩展处理不当，可能导致拒绝服务。

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