CVE-2023-22477

MEDIUM

Mercurius < 8.13.2 - Denial of Service

Title source: rule

Description

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.

Scores

CVSS v3 5.3
EPSS 0.0025
EPSS Percentile 47.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Classification

CWE
CWE-248
Status published

Affected Products (2)

mercurius_project/mercurius < 8.13.2
npm/mercurius < 11.5.0npm

Timeline

Published Jan 09, 2023
Tracked Since Feb 18, 2026