HIGH 7.5 NVD
CVE-2026-49363
An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authenti
An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication.
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.
References
- https://lists.apache.org/thread/syjch88zw6pfdoso9vs46m23xkgxjbxo
- http://www.openwall.com/lists/oss-security/2026/09/10/2
- https://www.openwall.com/lists/oss-security/2026/09/10/2
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-09-10 via NVD.
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