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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Apache Software Foundation Apache Artemis unaffected
Version Status Constraints
2.50.0 affected ≤ 2.56.0
Apache Software Foundation Apache Artemis unaffected
Version Status Constraints
2.50.0 affected ≤ 2.56.0
Apache Software Foundation Apache ActiveMQ Artemis unaffected
Version Status Constraints
1.0.0 affected ≤ 2.44.0
Apache Software Foundation Apache ActiveMQ Artemis unaffected
Version Status Constraints
1.0.0 affected ≤ 2.44.0

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.openwall.com/lists/oss-security/2026/09/10/3 cve-icon
https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8 cve-icon cve-icon
History

Thu, 10 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
References

Thu, 10 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers
Weaknesses CWE-306
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-09-10T05:11:25.133Z

Reserved: 2026-05-29T16:34:41.640Z

Link: CVE-2026-49364

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-10T05:17:01.230

Modified: 2026-09-10T06:17:05.383

Link: CVE-2026-49364

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T06:30:05Z

Weaknesses