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CVE-2026-101292

Artemis-core-client: unsafe reflection in apache activemq artemis federation message deserialization

Products / packages Red Hat JBoss Enterprise Application Platform 7.4.25 · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 · Red Hat AMQ Broker 7

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 07/11/2026, 23:10:32 UTC
redhat · CVSS:3.1 · 8.2
Assessment vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Severity

high8.2

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

Apache ActiveMQ Artemis before 2.34.0 has an unsafe reflection vulnerability, allowing an authenticated federation peer to send a crafted class name and load arbitrary classes. This may cause denial of service or broker state manipulation.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4.25

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform:7.4

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.16.0-22.redhat_00057.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.3.14-11.SP11_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:1.5.26-2.Final_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.18.8-1.redhat_00003.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:5.0.31-3.SP2_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:1.10.0-46.Final_redhat_00044.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:4.1.135-1.Final_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:4.1.135-1.Final_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.5.5-30.SP12_redhat_00020.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.5.5-24.SP12_redhat_00016.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:2.2.40-2.SP3_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

0:7.4.25-2.GA_redhat_00001.1.el7eap → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7

Red Hat · redhat

Red Hat AMQ Broker 7

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:amq_broker:7
Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. For JBoss EAP 7.4, update to EAP 7.4.25 or later, which contains the fix delivered through RHSA-2026:53644.

redhat guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy(). The method calls Class.forName(clazz).getConstructor().newInstance() where clazz is read directly from the CORE protocol wire buffer without type validation. An authenticated federation peer can send a FEDERATION_DOWNSTREAM_CONNECT packet with a crafted class name, causing the broker to load and instantiate arbitrary classes visible to the Artemis module classloader. Static initializers (<clinit>) and no-argument constructors (<init>()) execute as side effects before the type cast, enabling denial of service via system-property poisoning, out-of-memory conditions via classloading, or broker state manipulation.

References

4 sources
access.redhat.com/errata/RHSA-2026:53806
Vendor advisoryredhat
access.redhat.com/errata/RHSA-2026:53644
Source referenceredhat
access.redhat.com/security/cve/CVE-2026-101292
Security advisoryredhat
bugzilla.redhat.com/show_bug.cgi
Source referenceredhat

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-101292

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-470 ↗

Use of Externally-Controlled Input to Select Classes or Code

redhat

Related →
Contributing organizations · 2
redhat

Assigning organization

2026-11-03
CISA-ADP

Additional data publisher

2026-09-28

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

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No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.