Critical Auth Bypass in Apache Artemis: Attackers Can Hijack Message Queues Vulnerability Critical Auth Bypass in Apache Artemis: Attackers Can Hijack Message Queues Do Son March 4, 2026 0 A critical flaw (CVE-2026-27446) in Apache Artemis allows unauthenticated attackers to hijack message queues via rogue brokers. Update to 2.52.0 immediately.