Is CVE-2023-6394 actively exploited?

CVE-2023-6394 has no public evidence of in-the-wild exploitation as of 2026-03-24.

What is the CVSS score for CVE-2023-6394?

CVE-2023-6394 has a CVSS score of 7.4 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

How do I patch CVE-2023-6394?

Patch guidance is available from quarkus security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-6394.

Fix CVE-2023-6394 - HIGH quarkus quarkus

Q: Which products are affected by CVE-2023-6394?

2 products: quarkus quarkus, redhat build of quarkus.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-862 · Missing Authorization CWE-862 · Missing Authorization

Metadata

Primary Vendor: QUARKUS
Published: 12/9/2023
Last Modified: 3/24/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-6394

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary