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CVE-2026-50750 Details

Description

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr	[email protected]	Vendor AdvisoryMailing List

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-400	Uncontrolled Resource Consumption	CISA-ADP

Affected Products

Product	Versions
apache activemq	5.19.7 6.2.6
CPE cpe:2.3:a:apache:activemq:5.19.7:::::::* cpe:2.3:a:apache:activemq:6.2.6:::::::* Remediation No remediation found in references.
apache activemq broker	5.19.7 6.2.6
CPE cpe:2.3:a:apache:activemq_broker:5.19.7:::::::* cpe:2.3:a:apache:activemq_broker:6.2.6:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 2, 2026	Initial Analysis	[email protected]
Jun 30, 2026	CVE Modified	CISA-ADP
Jun 30, 2026	New CVE Received	[email protected]