CVE WatchJul 2, 2026

CVE-2026-50750

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for C

CVSS

7.5

High

EPSS

0.7%

p49

KEV

—

Exploit Today

0-100

Published: Jun 30, 2026 · Last modified: Jul 2, 2026 · CWE-400

EPSS · 30d

0.5%EPSS · 30 days0.7%

2026-07-012026-07-17

Technical 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.

Official references

lists.apache.orghttps://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr

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