CVE-2026-49364: apache artemis

CVSS 9.1 (critical) · published 2026-09-10

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 products (NVD): apache artemis

Fixed in (NVD): 2.44.0, 2.57.0

Weakness: CWE-306

Source: NVD CVE-2026-49364

References

• https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8
• http://www.openwall.com/lists/oss-security/2026/09/10/3

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