Mercurius is a GraphQL adapter for Fastify. Any users of Mercurius until version 10.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to `/graphql`. This issue was patched in #940. As a workaround, users can disable subscriptions.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| mercurius(npm) | 9.0.0 | 11.5.0 | N/A |
| mercurius(npm) | 0 | 8.13.2 | N/A |
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