Vulnerability DatabaseCVE-2026-59878
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-59878
Published:July 28, 2026
Updated:August 04, 2026
Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections. This issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8. Users are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue.
Affected Packages
https://github.com/apache/activemq.git (GITHUB):
Affected version(s) >=activemq-6.0.0 <activemq-6.2.8
Fix Suggestion:
Update to version activemq-6.2.8
https://github.com/apache/activemq.git (GITHUB):
Affected version(s) >=activemq-5.0.0 <activemq-5.19.9
Fix Suggestion:
Update to version activemq-5.19.9
org.apache.activemq:activemq-all (JAVA):
Affected version(s) >=6.0.0 <6.2.8
Fix Suggestion:
Update to version 6.2.8
org.apache.activemq:activemq-amqp (JAVA):
Affected version(s) >=5.8.0 <5.19.9
Fix Suggestion:
Update to version 5.19.9
org.apache.activemq:activemq-all (JAVA):
Affected version(s) >=4.1.2 <5.19.9
Fix Suggestion:
Update to version 5.19.9
org.apache.activemq:activemq-amqp (JAVA):
Affected version(s) >=6.0.0 <6.2.8
Fix Suggestion:
Update to version 6.2.8
Related Resources (2)
https://lists.apache.org/thread/dnyx4d2oldshcj4lthso7b53y4bqmjvn
http://www.openwall.com/lists/oss-security/2026/07/27/7
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
0.55