Deserialization of Untrusted Data Affecting eap7-activemq-artemis package, versions <0:2.16.0-22.redhat_00057.1.el8eap


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.32% (26th percentile)

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  • Snyk IDSNYK-RHEL8-EAP7ACTIVEMQARTEMIS-19955044
  • published19 Sept 2026
  • disclosed11 Aug 2026

Introduced: 11 Aug 2026

CVE-2026-15555  (opens in a new tab)
CWE-502  (opens in a new tab)

How to fix?

Upgrade RHEL:8 eap7-activemq-artemis to version 0:2.16.0-22.redhat_00057.1.el8eap or higher.
This issue was patched in RHSA-2026:53645.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap7-activemq-artemis package and not the eap7-activemq-artemis package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller with no class filtering — enabling RCE via deserialization gadget chains on every cluster node.

CVSS Base Scores

version 3.1