What is CVE-2026-40914?

CVE-2026-40914 is a medium-severity vulnerability in Apache Activemq_artemis, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-05-28.

How severe is CVE-2026-40914?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Apache Activemq_artemis

CVE-2026-40914

A vulnerability exists in Apache Artemis whereby an application using the STOMP protocol with security credentials that grant either the consume or send permission on an address can augment the routing-type supported by that address even i…

Vulnerability class: Broken Access Control

EPSS: 0.001 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Apache Activemq_artemis
Apache Artemis
Apache Software Foundation Activemq Artemis Stomp Protocol — versions 2.0.0
Apache Software Foundation Artemis Stomp Protocol — versions 2.50.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-40914?: CVE-2026-40914 is a medium-severity vulnerability in Apache Activemq_artemis, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-05-28.
How severe is CVE-2026-40914?: Medium severity. CVSS v3 base score is 4.3 out of 10.