Missing authentication in Apache Artemis
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Partial Red Hat: 10 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-306.
Summary
An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Artemis | 2.50.0 – 2.56.0 | — | No fix listed | CNA |
| Apache | Apache Artemis | 2.50.0 – 2.56.0 | — | No fix listed | CNA |
| Apache | Apache ActiveMQ Artemis | 1.0.0 – 2.44.0 | — | No fix listed | CNA |
| Apache | Apache ActiveMQ Artemis | 1.0.0 – 2.44.0 | — | No fix listed | CNA |
- Apache Artemis VendorApache Affected 2.50.0 – 2.56.0 Fixed in — No fix listed CNA
- Apache Artemis VendorApache Affected 2.50.0 – 2.56.0 Fixed in — No fix listed CNA
- Apache ActiveMQ Artemis VendorApache Affected 1.0.0 – 2.44.0 Fixed in — No fix listed CNA
- Apache ActiveMQ Artemis VendorApache Affected 1.0.0 – 2.44.0 Fixed in — No fix listed CNA
Remediation
Red Hat 8 advisories
- RHSA-2026:70277 Released 2026-09-22 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.8 security update
- Red Hat JBoss Enterprise Application Platform 8.1.8.GA com.fasterxml.jackson.core.jackson-core-2.18.9.redhat-00003.jar, com.fasterxml.jackson.core.jackson-databind-2.18.9.redhat-00003.jar, io.netty.netty-codec-4.1.136.Final-redhat-00001.jar +17
- RHSA-2026:70230 Released 2026-09-22 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.8 security update
- Red Hat JBoss EAP 8.1 for RHEL 10 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el10eap +47
- RHSA-2026:70228 Released 2026-09-22 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.8 security update
- Red Hat JBoss EAP 8.1 for RHEL 8 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el8eap +47
Show 5 more Red Hat advisories
- RHSA-2026:70229 Released 2026-09-22 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.8 security update
- Red Hat JBoss EAP 8.1 for RHEL 9 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el9eap +47
- RHSA-2026:67604 Released 2026-09-15 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.4.25 security update
- Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server eap7-activemq-artemis-2.16.0-23.redhat_00058.1.el7eap, eap7-activemq-artemis-cli-2.16.0-23.redhat_00058.1.el7eap, eap7-activemq-artemis-commons-2.16.0-23.redhat_00058.1.el7eap +28
- Red Hat JBoss EAP 7.4 ELS for RHEL 8 eap7-activemq-artemis-2.16.0-23.redhat_00058.1.el8eap, eap7-activemq-artemis-cli-2.16.0-23.redhat_00058.1.el8eap, eap7-activemq-artemis-commons-2.16.0-23.redhat_00058.1.el8eap +29
- Red Hat JBoss EAP 7.4 ELS for RHEL 9 eap7-activemq-artemis-2.16.0-23.redhat_00058.1.el9eap, eap7-activemq-artemis-cli-2.16.0-23.redhat_00058.1.el9eap, eap7-activemq-artemis-commons-2.16.0-23.redhat_00058.1.el9eap +29
- RHSA-2026:67603 Released 2026-09-15 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.4.25 security update
- Red Hat JBoss Enterprise Application Platform 7.4.25 com.fasterxml.jackson.core.jackson-databind-2.18.8.redhat-00003.jar, org.apache.activemq.artemis-server-2.16.0.redhat-00057.jar
- RHSA-2026:66545 Released 2026-09-10 · Red Hat rating ImportantRed Hat AMQ Broker 7.13.6 release and security update
- Red Hat AMQ Broker 7.13.6
- RHSA-2026:66488 Released 2026-09-10 · Red Hat rating ImportantRed Hat AMQ Broker 7.14.1 release and security update
- Red Hat AMQ Broker 7.14.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Enterprise Application Platform 7 | Affected | No fix yet |
| Red Hat JBoss Enterprise Application Platform 8 | Affected | No fix yet |
| Red Hat AMQ Broker 7.13.6 | Fixed | RHSA-2026:66545 |
| Red Hat AMQ Broker 7.14.1 | Fixed | RHSA-2026:66488 |
| Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server | Fixed | RHSA-2026:67604 |
| Red Hat JBoss EAP 7.4 ELS for RHEL 8 | Fixed | RHSA-2026:67604 |
| Red Hat JBoss EAP 7.4 ELS for RHEL 9 | Fixed | RHSA-2026:67604 |
| Red Hat JBoss EAP 8.1 for RHEL 10 | Fixed | RHSA-2026:70230 |
| Red Hat JBoss EAP 8.1 for RHEL 8 | Fixed | RHSA-2026:70228 |
| Red Hat JBoss EAP 8.1 for RHEL 9 | Fixed | RHSA-2026:70229 |
| Red Hat JBoss Enterprise Application Platform 7.4.25 | Fixed | RHSA-2026:67603 |
| Red Hat JBoss Enterprise Application Platform 8.1.8.GA | Fixed | RHSA-2026:70277 |
Not affected: 5 products
- Red Hat Build of Keycloak
- Red Hat JBoss Enterprise Application Platform 7.4.25
- Red Hat JBoss Enterprise Application Platform 8.1.8.GA
- Red Hat build of Apache Camel 4 for Quarkus 3
- Red Hat build of Apache Camel for Spring Boot 4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-49364
- 2026-10-03 Alias added: GHSA-fjwp-v5xg-5q39
- 2026-10-09 Fix available: RHSA-2026:67603 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:70277 · Red Hat
- 2026-10-09 Fix available: Red Hat JBoss Enterprise Application Platform 7.4.25, Red Hat JBoss Enterprise Application Platform 8.1 · Red Hat
- 2026-10-21 Fix available: Red Hat JBoss Enterprise Application Platform 8.1.8.GA · Red Hat
References
More Apache Artemis vulnerabilities
- TI-2026-21857 Apache Artemis, Apache ActiveMQ Artemis: Auth bypass for Core downstream federation CVSS 4.0CRITICAL 9.3
- TI-2023-27710 Apache ActiveMQ Artemis: Authenticated users could perform RCE via Jolokia MBeans CVSS 3.1HIGH 8.8
- TI-2026-41732 Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment CVSS 3.1CRITICAL 9.8
- TI-2026-47754 Missing authentication in Apache Artemis CVSS 3.1CRITICAL 9.1
- TI-2021-08067 ActiveMQ: LDAP-Authentication does not verify passwords on servers with anonymous bind CVSS 3.1HIGH 7.5
- TI-2017-08964 Uncontrolled resource consumption in Red Hat HornetQ/Artemis CVSS 3.1HIGH 7.5
Sources
- CVE-2026-49364 · CVE Program
- CVE-2026-49364 · NVD
- FIRST EPSS
- GHSA-fjwp-v5xg-5q39 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-49364 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences