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CVE Vulnerability Details :
CVE-2026-50750
PUBLISHED
More InfoOfficial Page
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
View Known Exploited Vulnerability (KEV) details
Published At-30 Jun, 2026 | 09:51
Updated At-30 Jun, 2026 | 13:21
Rejected At-
▼CVE Numbering Authority (CNA)
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270

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.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache ActiveMQ Broker
Collection URL
https://repo.maven.apache.org/maven2
Package Name
org.apache.activemq:activemq-broker
Default Status
unaffected
Versions
Affected
  • From 5.19.7 before 5.19.8 (semver)
  • From 6.2.6 before 6.2.7 (semver)
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache ActiveMQ
Collection URL
https://repo.maven.apache.org/maven2
Package Name
org.apache.activemq:apache-activemq
Default Status
unaffected
Versions
Affected
  • From 5.19.7 before 5.19.8 (semver)
  • From 6.2.6 before 6.2.7 (semver)
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache ActiveMQ All
Collection URL
https://repo.maven.apache.org/maven2
Package Name
org.apache.activemq:activemq-all
Default Status
unaffected
Versions
Affected
  • From 5.19.7 before 5.19.8 (semver)
  • From 6.2.6 before 6.2.7 (semver)
Problem Types
TypeCWE IDDescription
N/AN/ADenial of Service via Out of Memory
Type: N/A
CWE ID: N/A
Description: Denial of Service via Out of Memory
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Textual description of severity
text:
important
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr
vendor-advisory
Hyperlink: https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-400CWE-400 Uncontrolled Resource Consumption
Type: CWE
CWE ID: CWE-400
Description: CWE-400 Uncontrolled Resource Consumption
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found