CVE-2026-47706: Strawberry GraphQL has a Circular Fragment Reference DOS

June 4, 2026 (updated June 9, 2026)

The QueryDepthLimiter extension is vulnerable to an Application-level DOS due to a lack of cycle detection in fragment spreads. When a query contains circular fragment references the determine_depth function enters an infinite recursion, leading to a RecursionError and crashing the validation process.

References

github.com/advisories/GHSA-qfwv-87qj-98xq
github.com/strawberry-graphql/strawberry/releases/tag/0.315.7
github.com/strawberry-graphql/strawberry/security/advisories/GHSA-qfwv-87qj-98xq
nvd.nist.gov/vuln/detail/CVE-2026-47706

Code Behaviors & Features

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