CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added a new Apache ActiveMQ vulnerability (CVE-2026-34197) involving improper input validation to its Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Organizations running Apache ActiveMQ are at risk, as this type of vulnerability is a common attack vector for malicious actors. Developers and administrators using ActiveMQ should prioritize patching immediately, as federal agencies are required to remediate and all organizations are strongly urged to do the same.