CVE-2026-50750 (GCVE-0-2026-50750)
Vulnerability from cvelistv5 – Published: 2026-06-30 09:51 – Updated: 2026-06-30 13:21
VLAI
EPSS
VEX
Title
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270
Summary
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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:21 UTC
CWE
- Denial of Service via Out of Memory
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/nhkmbdym61yp6wwy0… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Broker |
Affected:
5.19.7 , < 5.19.8
(semver)
Affected: 6.2.6 , < 6.2.7 (semver) |
guessed | |
| Apache Software Foundation | Apache ActiveMQ |
Affected:
5.19.7 , < 5.19.8
(semver)
Affected: 6.2.6 , < 6.2.7 (semver) |
guessed | |
| Apache Software Foundation | Apache ActiveMQ All |
Affected:
5.19.7 , < 5.19.8
(semver)
Affected: 6.2.6 , < 6.2.7 (semver) |
guessed |
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