mercurius vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-30241Lowmercurius: Mercurius's queryDepth limit bypassed for WebSocket subscriptionsCVE-2025-64166Mediummercurius: Mercurius: Incorrect Content-Type parsing can lead to CSRF attackCVE-2023-22477Mediummercurius: mercurius has Uncaught Exception when using subscriptionsCVE-2021-43801Highmercurius: Uncaught Exception in mercurius

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