Uncontrolled Recursion Affecting hotchocolate.language package, versions [,12.22.7)[13.0.0,13.9.16)[14.0.0,14.3.1)[15.0.0,15.1.14)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-HOTCHOCOLATELANGUAGE-16114944
- published21 Apr 2026
- disclosed16 Apr 2026
- creditUnknown
Introduced: 16 Apr 2026
NewCVE-2026-40324 (opens in a new tab)How to fix?
Upgrade HotChocolate.Language to version 12.22.7, 13.9.16, 14.3.1, 15.1.14 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion via the Utf8GraphQLParser parser. An attacker can cause the application to terminate unexpectedly and disrupt all active services by submitting a crafted GraphQL document with deeply nested selection sets, object values, list values, or list types, leading to a stack overflow during parsing. This occurs before any validation rules are applied, making it impossible for standard validation mechanisms to intercept the issue.