Improper Input Validation

Apache ActiveMQ is vulnerable to an Improper Input Validation vulnerability. The vulnerability is due to improper validation of negative content-length values in STOMP requests, which allows a remote unauthenticated attacker with access to an exposed STOMP connector to send malicious body data an...

CVE-2026-49432

A flaw was found in Apache ActiveMQ. A remote, unauthenticated attacker can exploit an improper input validation vulnerability by sending a specially crafted message with a negative content-length to an exposed STOMP connector. This can lead to a denial of service DoS condition, either by consumi...