Nearly 6,500 Apache ActiveMQ instances remain unpatched and exposed to the internet, despite the disclosure of a critical remote code injection vulnerability, CVE-2026-34197, two weeks ago1. This vulnerability, which was discovered using an AI tool, allows for remote code execution and has been actively exploited by attackers. The fact that thousands of instances remain unpatched suggests that many organizations are not prioritizing vulnerability management, leaving them open to potential attacks. The vulnerability was first revealed on April 7, and since then, the number of unpatched instances has not decreased significantly. This lack of action expands the active attack surface, making it essential for organizations to prioritize patching based on their exposure and exploitation evidence. As a result, practitioners should take immediate action to patch their ActiveMQ instances to prevent potential attacks, given the ongoing exploitation of this vulnerability.