9
CVSSv3

CVE-2025-27407

CVSSv4: NA | CVSSv3: 9 | CVSSv2: NA | VMScore: 1000 | EPSS: 0.04684 | KEV: Not Included
Published: 12/03/2025 Updated: 12/03/2025

Vulnerability Summary

Remote Code Execution in GraphQL Ruby Versions Prior to Patched Releases

A remote code execution vulnerability exists in graphql-ruby, a Ruby implementation of GraphQL, affecting 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. The vulnerability occurs when loading a malicious schema definition using `GraphQL::Schema.from_introspection` or `GraphQL::Schema::Loader.load`. Systems that load GraphQL schemas via JSON from untrusted sources, including those using GraphQL::Client for external schema introspection, are at risk. The vulnerability allows potential remote code execution, and patched versions include 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21, which address the security issue.

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Vendor Advisories

Debian Bug report logs - #1100442 ruby-graphql: CVE-2025-27407 Package: src:ruby-graphql; Maintainer for src:ruby-graphql is Debian Ruby Team <pkg-ruby-extras-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 13 Mar 2025 22:00:01 UTC Severity: grave Tags: security, ...

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