← Vulnerability feed

Vulnerability record · CVE-2023-6394 · published 9 December 2023

CVE-2023-6394: Quarkus missing authorization vulnerability

Quarkus · Quarkus

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.

9.1 CVSS 3.1 Critical EPSS 0.81% · top 44.9% CWE-862 · Missing authorization
9.1CVSS 3.1 base score
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2023:7612
https://access.redhat.com/errata/RHSA-2023:7700
https://access.redhat.com/security/cve/CVE-2023-6394 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2252197 Issue Tracking
https://access.redhat.com/errata/RHSA-2023:7612
https://access.redhat.com/security/cve/CVE-2023-6394 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2252197 Issue Tracking

Track CVE-2023-6394 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-44487HTTP/2 Rapid Reset stream cancellation denial of serviceThe HTTP/2 protocol permits a client to cancel many streams quickly, and the server's handling of those resets consumes disproportionate resources. T…KEVEPSS 100%analysed9.8CVE-2023-6267Quarkus vulnerabilityA flaw was found in the json payload. If annotation based security is used to secure a REST resource, the JSON body that the resource may consume is …EPSS 0.72%9.8CVE-2022-4116Redhat build of quarkus vulnerabilityA vulnerability was found in quarkus. This security flaw happens in Dev UI Config Editor which is vulnerable to drive-by localhost attacks leading to…EPSS 33%9.8CVE-2022-2466Quarkus http request smuggling vulnerabilityIt was found that Quarkus 2.10.x does not terminate HTTP requests header context which may lead to unpredictable behavior.EPSS 1.9%9.8CVE-2022-21724Postgresql jdbc driver vulnerabilitypgjdbc is the offical PostgreSQL JDBC Driver. A security hole was found in the jdbc driver for postgresql database while doing security research. The…EPSS 3.1%9.1CVE-2024-12225Quarkus authentication bypass via alternate path vulnerabilityA vulnerability was found in Quarkus in the quarkus-security-webauthn module. The Quarkus WebAuthn module publishes default REST endpoints for regist…EPSS 0.41%9.1CVE-2021-26291Apache maven origin validation error vulnerabilityApache Maven will follow repositories that are defined in a dependency’s Project Object Model (pom) which may be surprising to some users, resulting …EPSS 8.7%8.8CVE-2026-39852Quarkus incorrect authorization vulnerabilityQuarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, …EPSS 0.63%

Source: NIST National Vulnerability Database (record CVE-2023-6394), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.