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Apache ActiveMQ Exploit Leads to LockBit Ransomware
CVE-2023-46604
February 23, 2026 · DFIR Report · Severity: CRITICAL
Key Takeaways An audio version of this report can be found on Spotify, Apple, YouTube, Audible, & Amazon.  This intrusion began in mid-February 2024 after a threat actor exploited a vulnerability (CVE-2023-46604) on an exposed Apache ActiveMQ server.
Key Takeaways
- Apache ActiveMQ Exploit Leads to LockBit Ransomware — CRITICAL severity involving CVE-2023-46604
- Security advisory with actionable remediation guidance
- Apply vendor patches and monitor for exploitation activity