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critical advisory

Apache Artemis and ActiveMQ Artemis Authentication Bypass Vulnerability

CVE-2026-27446 allows an unauthenticated remote attacker to inject malicious messages or exfiltrate data from Apache Artemis and ActiveMQ Artemis brokers due to a missing authentication check in the Core protocol.

apache-artemis apache-activemq authentication-bypass message-injection data-exfiltration
2r 5t