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Mercurius

4 CVEs product

Monthly

CVE-2026-30241 Mar 06, 22:16 npm HIGH PATCH This Week

Mercurius versions prior to 16.8.0 fail to validate GraphQL subscription query depth limits over WebSocket connections, allowing remote attackers to bypass depth restrictions that are properly enforced for HTTP queries. An attacker can exploit this to submit arbitrarily nested subscription queries that cause denial of service through exponential data resolution on schemas with recursive types. A patch is available in version 16.8.0.

Denial Of Service Mercurius Mercurius Project
NVD GitHub
CVSS 3.1
8.2
EPSS
0.0%
CVE-2025-64166 Mar 05, 16:16 npm MEDIUM PATCH This Month

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 application/x-www-form-urlencoded, multipart/form-data, or text/plain could be misinterpreted as application/json. This misint...

CSRF Mercurius Mercurius Project
NVD GitHub VulDB
CVSS 3.1
5.4
EPSS
0.0%
CVE-2023-22477 Jan 09, 15:15 npm HIGH POC PATCH This Week

Mercurius is a GraphQL adapter for Fastify. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Mercurius Mercurius Project
NVD GitHub
CVSS 3.1
7.5
EPSS
1.1%
CVE-2021-43801 Dec 13, 20:15 npm HIGH PATCH This Week

Mercurius is a GraphQL adapter for Fastify. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Mercurius Mercurius Project
NVD GitHub
CVSS 3.1
7.5
EPSS
1.5%
EPSS 0% CVSS 8.2
HIGH PATCH This Week

Mercurius versions prior to 16.8.0 fail to validate GraphQL subscription query depth limits over WebSocket connections, allowing remote attackers to bypass depth restrictions that are properly enforced for HTTP queries. An attacker can exploit this to submit arbitrarily nested subscription queries that cause denial of service through exponential data resolution on schemas with recursive types. A patch is available in version 16.8.0.

Denial Of Service Mercurius Mercurius Project
NVD GitHub
EPSS 0% CVSS 5.4
MEDIUM PATCH This Month

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 application/x-www-form-urlencoded, multipart/form-data, or text/plain could be misinterpreted as application/json. This misint...

CSRF Mercurius Mercurius Project
NVD GitHub VulDB
EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

Mercurius is a GraphQL adapter for Fastify. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Mercurius Mercurius Project
NVD GitHub
EPSS 2% CVSS 7.5
HIGH PATCH This Week

Mercurius is a GraphQL adapter for Fastify. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Mercurius Mercurius Project
NVD GitHub

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