The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning regarding a critical security defect in Apache ActiveMQ. On April 16, 2026, the agency officially added the vulnerability, tracked as CVE-2026-34197, to its Known Exploited Vulnerabilities (KEV) catalog. Federal agencies and private security teams are now under tight deadlines to patch their systems […] The post CISA Warns of Apache ActiveMQ Input Validation Vulnerability Exploited in Attacks appeared first on Cyber Security News.