{"schemaVersion":3,"id":"CVE-2026-49363","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication.\n\n\n\nThis issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.\n\n\n\nUsers are recommended to upgrade to version 2.57.0, which fixes the 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