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TI-2026-42692 Aliases CVE-2026-59878GHSA-4mq2-fjvq-8232

Improper input validation in Apache ActiveMQ AMQP

Priority MEDIUM 40CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00785 56th percentileScored 2026-11-07
Fix Fixed Apache ActiveMQ AMQP (Apache Software Foundation): 5.19.9, 6.2.8Apache ActiveMQ (Apache Software Foundation): 5.19.9, 6.2.8+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache ActiveMQ AMQPbefore 5.19.9; 6.0.0 to before 6.2.85.19.9, 6.2.8Patch availableCNA
ApacheApache ActiveMQbefore 5.19.9; 6.0.0 to before 6.2.85.19.9, 6.2.8Patch availableCNA
ApacheApache ActiveMQ Allbefore 5.19.9; 6.0.0 to before 6.2.85.19.9, 6.2.8Patch availableCNA
  • Apache ActiveMQ AMQP VendorApache Affected before 5.19.9; 6.0.0 to before 6.2.8 Fixed in 5.19.9, 6.2.8 Patch available CNA
  • Apache ActiveMQ VendorApache Affected before 5.19.9; 6.0.0 to before 6.2.8 Fixed in 5.19.9, 6.2.8 Patch available CNA
  • Apache ActiveMQ All VendorApache Affected before 5.19.9; 6.0.0 to before 6.2.8 Fixed in 5.19.9, 6.2.8 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*before 5.19.9; 6.0.0 to before 6.2.8VulnerableApache
cpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:*before 5.19.9; 6.0.0 to before 6.2.8VulnerableApache
cpe:2.3:a:apache:activemq_amqp:*:*:*:*:*:*:*:*before 5.19.9; 6.0.0 to before 6.2.8VulnerableApache
  • cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:* Versions before 5.19.9; 6.0.0 to before 6.2.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:* Versions before 5.19.9; 6.0.0 to before 6.2.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:activemq_amqp:*:*:*:*:*:*:*:* Versions before 5.19.9; 6.0.0 to before 6.2.8 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache ActiveMQ AMQP (Apache Software Foundation) Fixed in 5.19.9, 6.2.8
  • Fix · CNA Apache ActiveMQ (Apache Software Foundation) Fixed in 5.19.9, 6.2.8
  • Fix · CNA Apache ActiveMQ All (Apache Software Foundation) Fixed in 5.19.9, 6.2.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache ActiveMQ, Apache ActiveMQ All 5.19.9, 6.2.8

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-44077 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authorization bypass via temporary composite destinationsPriority LOW 29
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59878
  2. 2026-10-03 Alias added: GHSA-4mq2-fjvq-8232
  3. 2026-11-06 Affected versions changed · Red Hat
  4. 2026-11-06 CVSS score added · Red Hat

References

Advisory 2

  • TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
  • TI-2016-02587 The Fileserver web application in Apache ActiveMQ 5.x before 5.14.0 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26494 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could perform RCE via Jolokia MBeans KEVCVSS 3.1HIGH 8.8
  • TI-2013-05951 Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not… CVSS 3.1CRITICAL 9.8
  • TI-2021-04451 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.1
  • TI-2021-04446 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
See all 74 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences