CVE-2026-49364Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Artemis and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Artemis apache_software_foundation:apache_artemis (from the name) | from 2.50.0 through 2.56.0 | CNA record |
Apache Software Foundation Apache ActiveMQ Artemis apache_software_foundation:apache_activemq_artemis (from the name) | from 1.0.0 through 2.44.0 | CNA record |
apache artemis apache:artemis | from 1.0.0 before 2.44.0; from 2.50.0 before 2.57.0 | NVD |
References
- https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8vendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/09/10/3mailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.