CVE-2025-27407

graphql-ruby is a Ruby implementation of GraphQL. Starting in version 1.11.5 and prior to versions 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21, loading a malicious schema definition in `GraphQL::Schema.from_introspection` (or `GraphQL::Schema::Loader.load`) can result in remote code execution. Any system which loads a schema by JSON from an untrusted source is vulnerable, including those that use GraphQL::Client to load external schemas via GraphQL introspection. Versions 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21 contain a patch for the issue.

The following products are affected by CVE-2025-27407 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-27407.

URL	Resource
https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-released
https://github.com/github-community-projects/graphql-client
https://github.com/rmosolgo/graphql-ruby/commit/28233b16c0eb9d0fb7808f4980e061dc7507c4cd
https://github.com/rmosolgo/graphql-ruby/commit/2d2f4ed1f79472f8eed29c864b039649e1de238f
https://github.com/rmosolgo/graphql-ruby/commit/5c5a7b9a9bdce143be048074aea50edb7bb747be
https://github.com/rmosolgo/graphql-ruby/commit/6eca16b9fa553aa957099a30dbde64ddcdac52ca
https://github.com/rmosolgo/graphql-ruby/commit/d0963289e0dab4ea893bbecf12bb7d89294957bb
https://github.com/rmosolgo/graphql-ruby/commit/d1117ae0361d9ed67e0795b07f5c3e98e62f3c7c
https://github.com/rmosolgo/graphql-ruby/commit/e3b33ace05391da2871c75ab4d3b66e29133b367
https://github.com/rmosolgo/graphql-ruby/security/advisories/GHSA-q92j-grw3-h492
https://lists.debian.org/debian-lts-announce/2025/08/msg00002.html
https://nvd.nist.gov/vuln/detail/CVE-2025-27407
https://www.cve.org/CVERecord?id=CVE-2025-27407