---
id: CVE-2023-6394
title: A flaw was found in Quarkus
summary: >-
  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 secu…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-862
vendor: quarkus
product: quarkus
affected:
  - quarkus < 3.6.0
  - build_of_quarkus
patched:
  - quarkus 3.6.0
published: '2023-12-09'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T10:17:10.133'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-6394'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2023:7612'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2023:7700'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6394'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2252197'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2023:7612'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6394'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2252197'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2024-08-28T14:24:22.279522Z'
epss: 0.00807
epssPercentile: 0.55148
ingestedAt: '2026-09-29T10:31:36.282Z'
---

## Overview

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.

## Affected

- `quarkus < 3.6.0`
- `build_of_quarkus`

## Remediation

Upgrade past the affected range:

- `quarkus 3.6.0`