CVE-2026-30241

Mercurius is a GraphQL adapter for Fastify. Prior to version 16.8.0, Mercurius fails to enforce the configured queryDepth limit on GraphQL subscription queries received over WebSocket connections. The depth check is correctly applied to HTTP queries and mutations, but subscription queries are...

Uncontrolled Recursion

Overview mercurius is a GraphQL adapter for Fastify Affected versions of this package are vulnerable to Uncontrolled Recursion in the subscription queries received over WebSocket connections. An attacker can bypass intended query depth restrictions by submitting deeply nested subscription queries...

CVE-2025-64166

Mercurius is a GraphQL adapter for Fastify. Prior to version 16.4.0, a cross-site request forgery CSRF vulnerability was identified. The issue arises from incorrect parsing of the Content-Type header in requests. Specifically, requests with Content-Type values such as...

CVE-2025-64166 Mercurius: Incorrect Content-Type parsing can lead to CSRF attack

Mercurius is a GraphQL adapter for Fastify. Prior to version 16.4.0, a cross-site request forgery CSRF vulnerability was identified. The issue arises from incorrect parsing of the Content-Type header in requests. Specifically, requests with Content-Type values such as...

EUVD-2021-2420

Malware in sbrugna...

EUVD-2023-0446

Malicious code in bioql PyPI...

CVE-2023-22477

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...

CVE-2023-22477 Mercurius is vulnerable to denial of service (DoS) when using subscriptions

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...

CVE-2021-43801

Mercurius is a GraphQL adapter for Fastify. Any users from [email protected] to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to /graphql unless they are using a custom error handler. The vulnerability has been fixed in...

PT-2021-23943

Name of the Vulnerable Software and Affected Versions: Mercurius versions 8.10.0 through 8.11.1 Description: The issue affects Mercurius, a GraphQL adapter for Fastify, where users can be subjected to a denial of service attack by sending a malformed JSON to the /graphql API endpoint, unless they...