CISA: Active Exploitation of Apache ActiveMQ CVE-2026-34197
🔴 The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned that a high-severity Apache ActiveMQ flaw, CVE-2026-34197, is being actively exploited in attacks. The bug, present for 13 years, allows authenticated attackers to execute arbitrary code via improper input validation and injection. Apache released patches on March 30 for ActiveMQ Classic 6.2.3 and 5.19.4, and CISA added the CVE to its KEV catalog, ordering federal agencies to patch by April 30.
