CVE-2026-49364 — Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credenti…

Description (CNA)

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 (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Artemis	affected 2.50.0 through 2.56.0
Apache Software Foundation / Apache Artemis	affected 2.50.0 through 2.56.0
Apache Software Foundation / Apache ActiveMQ Artemis	affected 1.0.0 through 2.44.0
Apache Software Foundation / Apache ActiveMQ Artemis	affected 1.0.0 through 2.44.0

CWE

CWE-306

References

https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/10/3

CISA-ADP

No English description supplied.

No references supplied.