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Fencer Vulns
high 7.5

CVE-2026-49362 json

Apache Artemis, Apache ActiveMQ Artemis: Missing Authentication in CORE Protocol Handler Allows Unauthorized Queue Creation

published 2026-09-10 1 mo ago modified 2026-09-16 54 d ago also EUVD-2026-75250

cvss
7.5
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

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service.

This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.

Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Patch / fix

  • apache artemis 2.44.0, 2.57.0
  • eap8-jaxb jboss enterprise application platform 8.1 4.0.7-4.redhat_00001.1.el10eap
  • eap8-txw2 jboss enterprise application platform 8.1 4.0.7-4.redhat_00001.1.el10eap
  • eap8-xsom jboss enterprise application platform 8.1 4.0.7-4.redhat_00001.1.el10eap
  • eap8-log4j jboss enterprise application platform 8.1 2.25.4-1.redhat_00003.1.el10eap
  • eap8-netty jboss enterprise application platform 8.1 4.1.136-1.Final_redhat_00001.1.el10eap
  • eap8-rngom jboss enterprise application platform 8.1 4.0.7-4.redhat_00001.1.el10eap
  • eap8-slf4j jboss enterprise application platform 8.1 2.0.18-1.redhat_00001.1.el10eap
  • eap8-neethi jboss enterprise application platform 8.1 3.2.2-1.redhat_00001.1.el10eap

red hat advisories RHSA-2026:70230RHSA-2026:70229RHSA-2026:70228RHSA-2026:67604

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-2026-49362 updated cvss 8.2

artemis-server: undertow-core: wildfly-messaging-activemq-subsystem: artemis core protocol permits unauthed queue creation

  • Red Hat JBoss Enterprise Application Platform 7 undertow-core, artemis-server, wildfly-messaging-activemq-subsystem Red Hat JBoss Enterprise Application Platform 8 undertow-core, artemis-server
    affected: no fix available
  • Red Hat AMQ Broker 7.13.6
    fixed: vendor fix RHSA-2026:66545
  • Red Hat AMQ Broker 7.14.1
    fixed: vendor fix RHSA-2026:66488
  • Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server eap7-wildfly 7.4.25-6.GA_redhat_00005.1.el7eap, eap7-jackson-core 2.18.9-1.redhat_00003.1.el7eap, eap7-jackson-databind 2.18.9-1.redhat_00003.1.el7eap, eap7-activemq-artemis 2.16.0-23.redhat_00058.1.el7eap, eap7-jackson-jaxrs-base 2.18.9-1.redhat_00003.1.el7eap, eap7-wildfly-modules 7.4.25-6.GA_redhat_00005.1.el7eap, +25 more Red Hat JBoss EAP 7.4 ELS for RHEL 8 eap7-wildfly 7.4.25-6.GA_redhat_00005.1.el8eap, eap7-jackson-core 2.18.9-1.redhat_00003.1.el8eap, eap7-jackson-databind 2.18.9-1.redhat_00003.1.el8eap, eap7-activemq-artemis 2.16.0-23.redhat_00058.1.el8eap, eap7-jackson-jaxrs-base 2.18.9-1.redhat_00003.1.el8eap, eap7-wildfly-modules 7.4.25-6.GA_redhat_00005.1.el8eap, +26 more Red Hat JBoss EAP 7.4 ELS for RHEL 9 eap7-wildfly 7.4.25-6.GA_redhat_00005.1.el9eap, eap7-jackson-core 2.18.9-1.redhat_00003.1.el9eap, eap7-jackson-databind 2.18.9-1.redhat_00003.1.el9eap, eap7-activemq-artemis 2.16.0-23.redhat_00058.1.el9eap, eap7-jackson-jaxrs-base 2.18.9-1.redhat_00003.1.el9eap, eap7-wildfly-modules 7.4.25-6.GA_redhat_00005.1.el9eap, +26 more
    fixed: vendor fix RHSA-2026:67604
  • Red Hat JBoss EAP 8.1 for RHEL 8 eap8-jaxb 4.0.7-4.redhat_00001.1.el8eap, eap8-txw2 4.0.7-4.redhat_00001.1.el8eap, eap8-xsom 4.0.7-4.redhat_00001.1.el8eap, eap8-rngom 4.0.7-4.redhat_00001.1.el8eap, eap8-log4j 2.25.4-1.redhat_00003.1.el8eap, eap8-neethi 3.2.2-1.redhat_00001.1.el8eap, +101 more
    fixed: vendor fix RHSA-2026:70228
  • Red Hat JBoss EAP 8.1 for RHEL 9 eap8-jaxb 4.0.7-4.redhat_00001.1.el9eap, eap8-txw2 4.0.7-4.redhat_00001.1.el9eap, eap8-xsom 4.0.7-4.redhat_00001.1.el9eap, eap8-rngom 4.0.7-4.redhat_00001.1.el9eap, eap8-log4j 2.25.4-1.redhat_00003.1.el9eap, eap8-neethi 3.2.2-1.redhat_00001.1.el9eap, +101 more
    fixed: vendor fix RHSA-2026:70229
  • Red Hat JBoss EAP 8.1 for RHEL 10 eap8-jaxb 4.0.7-4.redhat_00001.1.el10eap, eap8-txw2 4.0.7-4.redhat_00001.1.el10eap, eap8-xsom 4.0.7-4.redhat_00001.1.el10eap, eap8-rngom 4.0.7-4.redhat_00001.1.el10eap, eap8-log4j 2.25.4-1.redhat_00003.1.el10eap, eap8-neethi 3.2.2-1.redhat_00001.1.el10eap, +100 more
    fixed: vendor fix RHSA-2026:70230
  • Red Hat JBoss Enterprise Application Platform 7.4.25 artemis-server 2.16.0.redhat-00057
    fixed: vendor fix RHSA-2026:67603
show 3 more
  • Red Hat JBoss Enterprise Application Platform 8.1.8.GA artemis-server 2.40.0.redhat-00024
    fixed: vendor fix RHSA-2026:70277
  • Red Hat AMQ Clients artemis-server
    not affected: vulnerable code not in execute path
  • Red Hat build of Apache Camel for Spring Boot 4 artemis-server, artemis-core-client Red Hat JBoss Enterprise Application Platform 7.4.25 pom.xml, c3 0.6.0, c3 0.7.1, d3 5.9.2, fs 2.1.2, ip 2.0.0, +1552 more Red Hat JBoss Enterprise Application Platform 8.1.8.GA pom.xml, aesh 2.4, c3 0.6.4, d3 7.4.3, he 1.2.0, lr 1.4.2, +1868 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
yes
Technical impact
partial
Assessed
59 d ago

Exploit prediction

0.82% 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
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Apache Software Foundation Apache Artemis
  • Apache Software Foundation Apache ActiveMQ Artemis

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

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.