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TI-2026-37413 Aliases CVE-2026-50750GHSA-9qj4-v6r6-3wmx

Uncontrolled resource consumption in Apache ActiveMQ Broker

Priority MEDIUM 40CWE-400Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-400.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00686 52nd percentileScored 2026-11-07
Fix Fixed Apache ActiveMQ Broker (Apache Software Foundation): 5.19.8, 6.2.7Apache ActiveMQ (Apache Software Foundation): 5.19.8, 6.2.7+4 more products

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 Broker5.19.7 to before 5.19.8; 6.2.6 to before 6.2.75.19.8, 6.2.7Patch availableCNA
ApacheApache ActiveMQ5.19.7 to before 5.19.8; 6.2.6 to before 6.2.75.19.8, 6.2.7Patch availableCNA
ApacheApache ActiveMQ All5.19.7 to before 5.19.8; 6.2.6 to before 6.2.75.19.8, 6.2.7Patch availableCNA
—org.apache.activemq:activemq-broker (Maven)5.19.7 to before 5.19.85.19.8Patch availableGHSA-9qj4-v6r6-3wmx
—org.apache.activemq:activemq-broker (Maven)6.2.6 to before 6.2.76.2.7Patch availableGHSA-9qj4-v6r6-3wmx
—org.apache.activemq:apache-activemq (Maven)5.19.7 to before 5.19.85.19.8Patch availableGHSA-9qj4-v6r6-3wmx
—org.apache.activemq:apache-activemq (Maven)6.2.6 to before 6.2.76.2.7Patch availableGHSA-9qj4-v6r6-3wmx
—org.apache.activemq:activemq-all (Maven)5.19.7 to before 5.19.85.19.8Patch availableGHSA-9qj4-v6r6-3wmx
—org.apache.activemq:activemq-all (Maven)6.2.6 to before 6.2.76.2.7Patch availableGHSA-9qj4-v6r6-3wmx
  • Apache ActiveMQ Broker VendorApache Affected 5.19.7 to before 5.19.8; 6.2.6 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
  • Apache ActiveMQ VendorApache Affected 5.19.7 to before 5.19.8; 6.2.6 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
  • Apache ActiveMQ All VendorApache Affected 5.19.7 to before 5.19.8; 6.2.6 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
  • org.apache.activemq:activemq-broker (Maven) Vendor— Affected 5.19.7 to before 5.19.8 Fixed in 5.19.8 Patch available GHSA-9qj4-v6r6-3wmx
  • org.apache.activemq:activemq-broker (Maven) Vendor— Affected 6.2.6 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-9qj4-v6r6-3wmx
  • org.apache.activemq:apache-activemq (Maven) Vendor— Affected 5.19.7 to before 5.19.8 Fixed in 5.19.8 Patch available GHSA-9qj4-v6r6-3wmx
  • org.apache.activemq:apache-activemq (Maven) Vendor— Affected 6.2.6 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-9qj4-v6r6-3wmx
  • org.apache.activemq:activemq-all (Maven) Vendor— Affected 5.19.7 to before 5.19.8 Fixed in 5.19.8 Patch available GHSA-9qj4-v6r6-3wmx
  • org.apache.activemq:activemq-all (Maven) Vendor— Affected 6.2.6 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-9qj4-v6r6-3wmx

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apache:activemq:5.19.7:*:*:*:*:*:*:*5.19.7VulnerableApache
cpe:2.3:a:apache:activemq:6.2.6:*:*:*:*:*:*:*6.2.6VulnerableApache
cpe:2.3:a:apache:activemq_broker:5.19.7:*:*:*:*:*:*:*5.19.7VulnerableApache
cpe:2.3:a:apache:activemq_broker:6.2.6:*:*:*:*:*:*:*6.2.6VulnerableApache
  • cpe:2.3:a:apache:activemq:5.19.7:*:*:*:*:*:*:* Versions 5.19.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:activemq:6.2.6:*:*:*:*:*:*:* Versions 6.2.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:activemq_broker:5.19.7:*:*:*:*:*:*:* Versions 5.19.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:activemq_broker:6.2.6:*:*:*:*:*:*:* Versions 6.2.6 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache ActiveMQ Broker (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
  • Fix · CNA Apache ActiveMQ (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
  • Fix · CNA Apache ActiveMQ All (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:activemq-broker (Maven) Fixed in 5.19.8 Advisory →
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:activemq-broker (Maven) Fixed in 6.2.7 Advisory →
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:apache-activemq (Maven) Fixed in 5.19.8 Advisory →
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:apache-activemq (Maven) Fixed in 6.2.7 Advisory →
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:activemq-all (Maven) Fixed in 5.19.8 Advisory →
  • Fix · GHSA-9qj4-v6r6-3wmx org.apache.activemq:activemq-all (Maven) Fixed in 6.2.7 Advisory →

Fixed in the same release

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

  • Release ·

    Apache ActiveMQ 5.19.8, 6.2.7

    9 records Highest priority Priority MEDIUM 7 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
    • TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
    • TI-2026-38892 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codecPriority MEDIUM 40
    Show all 9 records →
  • Release ·

    Apache ActiveMQ All 5.19.8, 6.2.7

    7 records Highest priority Priority MEDIUM 7 MEDIUM

    Other records, highest priority first

    • TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
    • TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
    • TI-2026-38892 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codecPriority MEDIUM 40
    Show all 7 records →
Show 1 more group
  • Release ·

    Apache ActiveMQ Broker 5.19.8, 6.2.7

    4 records Highest priority Priority MEDIUM 4 MEDIUM

    Other records, highest priority first

    • TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
    • TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
    • TI-2026-36592 Improper input validation in Apache ActiveMQ BrokerPriority MEDIUM 40
    Show all 4 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 10 products
  • Red Hat AMQ Broker 7
  • Red Hat AMQ Clients
  • Red Hat Data Grid 8
  • Red Hat Enterprise Linux 8
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform 7
  • Red Hat JBoss Enterprise Application Platform 8
  • Red Hat Satellite 6
  • Red Hat Single Sign-On 7
  • Red Hat build of Apache Camel for Spring Boot 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-50750
  2. 2026-10-03 Alias added: GHSA-9qj4-v6r6-3wmx
  3. 2026-11-04 Fix available: Maven/org.apache.activemq:[email protected], Maven/org.apache.activemq:[email protected], Maven/org.apache.activemq:[email protected] +3 · GHSA-9qj4-v6r6-3wmx
  4. 2026-11-04 CVSS score added · GHSA-9qj4-v6r6-3wmx
  5. 2026-11-04 Weakness changed · GHSA-9qj4-v6r6-3wmx
  6. 2026-11-04 9 new references · GHSA-9qj4-v6r6-3wmx

References

Advisory 2

Other 7

  • 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