CVE-2026-50750

highCVSS 7.5covered by 1 sourcefirst seen 2026-06-30

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.

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Exploitation outlook

Low exploitation risk0.71% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-50750: Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, …nvd · 2026-06-30

External references

NVD record for CVE-2026-50750

CVE.org record

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