graphql allows remote code execution when loading a crafted GraphQL schema
# Summary 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](https://github.com/github-community-projects/graphql-client) to load external schemas via GraphQL introspection.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-27407US | — | Exploit | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-releasedWEB
- https://github.com/github-community-projects/graphql-clientWEB
- https://github.com/rmosolgo/graphql-rubyPACKAGE
- https://github.com/rmosolgo/graphql-ruby/commit/28233b16c0eb9d0fb7808f4980e061dc7507c4cdWEB
- https://github.com/rmosolgo/graphql-ruby/commit/2d2f4ed1f79472f8eed29c864b039649e1de238fWEB
- https://github.com/rmosolgo/graphql-ruby/commit/5c5a7b9a9bdce143be048074aea50edb7bb747beWEB
- https://github.com/rmosolgo/graphql-ruby/commit/6eca16b9fa553aa957099a30dbde64ddcdac52caWEB
- https://github.com/rmosolgo/graphql-ruby/commit/d0963289e0dab4ea893bbecf12bb7d89294957bbWEB
scry
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