CVE-2026-49364
published 2026-09-10CVE-2026-49364: An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection…
PriorityP260critical9.1CVSS 3.1
AVNACLPRNUINSUCHIHAN
EPSS
0.57%
46.3th percentile
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.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | artemis | >= 1.0.0 < 2.44.0 | 2.44.0 |
| apache | artemis | >= 2.50.0 < 2.57.0 | 2.57.0 |
| apache_software_foundation | apache_activemq_artemis | 1.0.0 – 2.44.0 | — |
| apache_software_foundation | apache_artemis | 2.50.0 – 2.56.0 | — |
CVSS provenance
nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vendor_redhat9.1CRITICAL
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Red Hat
wildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof
vendor_redhat·2026-09-10·CVSS 9.1
CVE-2026-49364 [CRITICAL] wildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof
wildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof
Artemis and JGroups lack of access controls in certain situations can allow an attacker to spoof a password request in JGroups and subsequently gain access to the cluster. This allows the attacker manage-level authority for provided messaging and queue operations.
Package: jgroups (Red Hat build of Apache Camel 4 for Quarkus 3) - Not affected
Package: artemis-server (Red Hat build of Apache Camel for Spring Boot 4) - Not affected
Package: jgroups (Red Hat build of Apache Camel for Spring Boot 4) - Not affected
Package: jgroups (Red Hat Build of Keycloak) - Not affected
Package: artemis-server (Red Hat JBoss Enterprise Application Platform 7) - Affected
Package: jgroups (Red
GHSA
An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.
ghsa_unreviewed·2026-09-10
CVE-2026-49364 [CRITICAL] CWE-306 An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.
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.
VulDB
Apache ActiveMQ Artemis information disclosure
vuldb·2026-09-10
CVE-2026-49364 [LOW] Apache ActiveMQ Artemis information disclosure
A vulnerability has been found in Apache ActiveMQ Artemis and classified as problematic. This affects an unknown function. The manipulation leads to information disclosure.
This vulnerability is referenced as CVE-2026-49364. Remote exploitation of the attack is possible. No exploit is available.
No detection rules found.
No public exploits indexed.
2026-09-10
Published