Auth bypass in Quarkus

CVE-2023-6394

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.

Vulnerability class: Broken Access Control

EPSS: 0.008 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6394?
CVE-2023-6394 is a high-severity vulnerability in Quarkus, classified under Missing Authorization. CVSS score: 7.4/10. Published 2023-12-09.
How severe is CVE-2023-6394?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2023-6394 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.