CVE-2026-59878
7.5 · HIGHOverview
CVE-2026-59878 is a high-severity vulnerability affecting apache activemq. It was published on July 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from apache. Update activemq to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | activemq | >= 0, < 5.19.9 | Affected |
| apache | activemq_all | >= 0, < 5.19.9 | Affected |
| apache | activemq_amqp | >= 0, < 5.19.9 | Affected |
Frequently Asked Questions
What is CVE-2026-59878?
CVE-2026-59878 is a high-severity vulnerability affecting apache activemq. It was published on July 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-59878?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-59878?
Check the references section for vendor advisories and patches from apache. Update activemq to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-59878?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-59878 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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