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Fencer Vulns
high 7.4

CVE-2023-6394 json

Quarkus: graphql operations over websockets bypass

published 2023-12-09 2 y ago modified 2026-10-20 20 d ago also GHSA-mvc8-6ffp-jrx5 , EUVD-2023-3250

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

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 secured. This can allow an attacker to access information and functionality outside of normal granted API permissions.

Patch / fix

  • maven io.quarkus:quarkus-smallrye-graphql-client 2.13.9.Final, 3.5.3
  • Red Hat Red Hat build of Quarkus 3.2.9.Final 3.2.9.Final-redhat-00002

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-6394 updated cvss 7.4

quarkus: GraphQL operations over WebSockets bypass

  • Red Hat build of Quarkus graphql-java
    affected: no fix available
  • Red Hat build of Quarkus 2.13.9
    fixed: vendor fix RHSA-2023:7700
  • Red Hat build of Quarkus 3.2.9.Final quarkus-smallrye-graphql 3.2.9.Final-redhat-00002
    fixed: vendor fix RHSA-2023:7612
  • Red Hat build of Quarkus 3.2.9.Final jna 5.8.0, lit 2.7.4, bson 4.9.1, db2 1.18.3, h2 2.2.220, jdom 1.1.3, +1041 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven io.quarkus:quarkus-smallrye-graphql-client
>=2.14.0, <3.5.3
<2.13.9.Final
3.5.3
2.13.9.Final

Affected products

  • Red Hat Red Hat build of Quarkus 2.13.9
  • Red Hat Red Hat build of Quarkus 3.2.9.Final
  • Red Hat Red Hat build of Quarkus

Classification

Weakness
  • CWE-862 Missing Authorization
  • CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
  • CWE-696 Incorrect Behavior Order

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.