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High 7.5Published Jun 30, 2026

CVE-2026-50750Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270

Updated under an hour ago ()

Does this affect you?

It affects Apache Software Foundation Apache ActiveMQ Broker and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-400
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
apache
NVD analysis
Analyzed
Record last updated
Jun 30, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Apache Software Foundation Apache ActiveMQ Broker
apache_software_foundation:apache_activemq_broker (from the name)
from 5.19.7 before 5.19.8; from 6.2.6 before 6.2.7
CNA record
Apache Software Foundation Apache ActiveMQ
apache_software_foundation:apache_activemq (from the name)
from 5.19.7 before 5.19.8; from 6.2.6 before 6.2.7
CNA record
Apache Software Foundation Apache ActiveMQ All
apache_software_foundation:apache_activemq_all (from the name)
from 5.19.7 before 5.19.8; from 6.2.6 before 6.2.7
CNA record
apache activemq
apache:activemq
5.19.7; 6.2.6
NVD
apache activemq_broker
apache:activemq_broker
5.19.7; 6.2.6
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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