CVE-2026-50750

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr	Vendor Advisory Mailing List

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:activemq:5.19.7:::::::*
	cpe:2.3:a:apache:activemq:6.2.6:::::::*
	cpe:2.3:a:apache:activemq_broker:5.19.7:::::::*
	cpe:2.3:a:apache:activemq_broker:6.2.6:::::::*

History

02 Jul 2026, 18:42

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr -~~	() https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr - Vendor Advisory, Mailing List
First Time		Apache activemq Apache Apache activemq Broker
CPE		cpe:2.3:a:apache:activemq_broker:5.19.7:::::::* cpe:2.3:a:apache:activemq:6.2.6:::::::* cpe:2.3:a:apache:activemq_broker:6.2.6:::::::* cpe:2.3:a:apache:activemq:5.19.7:::::::*

30 Jun 2026, 14:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CWE		CWE-400

30 Jun 2026, 11:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-30 11:16

Updated : 2026-07-02 18:42

NVD link : CVE-2026-50750

Mitre link : CVE-2026-50750

CVE.ORG link : CVE-2026-50750

JSON object : View

Products Affected

apache

activemq
activemq_broker

CWE

CWE-400

Uncontrolled Resource Consumption

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