Active Exploitation of Apache ActiveMQ RCE Vulnerability (CVE-2026-34197)
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed active exploitation of a high‑severity remote code execution (RCE) vulnerability in Apache ActiveMQ Classic, tracked as CVE‑2026‑34197. The flaw has been added to CISA’s Known Exploited Vulnerabilities (KEV) Catalog, signalling verified malicious activity in the wild and elevating remediation priority for all organizations using affected versions of ActiveMQ.