Resource exhaustion in ActiveMQ - CVE-2026-50750
Published: July 1, 2026
Vulnerability identifier: #VU136622
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50750
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the OpenWire broker handling logic when processing repeated BrokerInfo commands without a ConnectionInfo. A remote attacker can send repeated BrokerInfo commands to cause a denial of service.
The issue can exhaust memory and crash the broker.
Affected software
ActiveMQ
How to mitigate CVE-2026-50750
Install security update from vendor's website.
ActiveMQ - addressed in versions 5.19.8, 6.2.7