CVE-2026-40476

CVE-2026-40476 affects graphql-go (Go GraphQL implementation) in version

CVE-2026-40476 graphql-php: Denial of Service via quadratic complexity in OverlappingFieldsCanBeMerged validation

graphql-go is a Go implementation of GraphQL. In versions 15.31.4 and below, the OverlappingFieldsCanBeMerged validation rule performs On² pairwise comparisons of fields sharing the same response name. An attacker can send a query with thousands of repeated identical fields, causing excessive CPU...

graphql-go 安全漏洞

graphql-go is a GraphQL server developed by Webonyx, focusing on ease of use. Versions of graphql-go prior to 15.31.5 contained security vulnerabilities. These vulnerabilities stemmed from the OverlappingFieldsCanBeMerged validation rule, which performed On² comparisons for fields with the same...