CVE-2025-27407

Summary

CVE-2025-27407 is a vulnerability affecting graphql-ruby, a Ruby implementation of GraphQL. This issue, which exists in versions 1.11.5 and prior to 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21, allows for remote code execution when loading a malicious schema definition using `GraphQL::Schema.from_introspection` or `GraphQL::Schema::Loader.load`. Systems that load schemas from untrusted JSON sources, such as those using GraphQL::Client for external introspection, are at risk. Versions 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21 have been patched to address this vulnerability.

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