CVE-2023-6394 HIGH

CVE-2023-6394: Quarkus: graphql operations over websockets bypass

Weakness CWE-862 · Missing authorization
Published December 9, 2023
Last update March 24, 2026

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

A flaw was found in Quarkus. This issue occurs when receiving a request over websocket with no role-based permission specified on the GraphQL operation, Quarkus processes the request without authentication despite the endpoint being secured. This can allow an attacker to access information and functionality outside of normal granted API permissions.

Key dates

02Disclosure timeline

December 9, 2023 CVE published
March 24, 2026 Record updated