High [CVE-2026-15555] wildfly-clustering-infinispan-marshalling: Jboss Deserialization RCE via Unfiltered River Unmarshaller
This high-severity Red Hat Linux advisory covers CVE-2026-15555 affecting Red Hat JBoss Enterprise Application Platform 7.4.25, Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7, Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
A flaw was found in JBoss marshalling. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-502.
Affected Red Hat products: Red Hat JBoss Enterprise Application Platform 7.4.25; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9; Red Hat JBoss Enterprise Application Platform 8.1; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat JBoss Enterprise Application Platform 7; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack.
Red Hat fixing advisory: RHSA-2026:53806, RHSA-2026:53644, RHSA-2026:53645, RHSA-2026:53646, RHSA-2026:70277, RHSA-2026:70230, RHSA-2026:70228, RHSA-2026:70229.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
- org.jboss.eap/wildfly-clustering-infinispan-marshalling:7.4.25.GA-redhat-00001
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-databind-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-jaxrs-providers-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-modules-base-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jackson-modules-java8-0:2.18.8-1.redhat_00003.1.el7eap
- eap7-jboss-remoting-0:5.0.31-3.SP2_redhat_00001.1.el7eap
- eap7-jboss-server-migration-0:1.10.0-46.Final_redhat_00044.1.el7eap
- eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el7eap
- eap7-picketlink-bindings-0:2.5.5-30.SP12_redhat_00020.1.el7eap
- eap7-picketlink-federation-0:2.5.5-24.SP12_redhat_00016.1.el7eap
- eap7-undertow-0:2.2.40-2.SP3_redhat_00001.1.el7eap
- eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el8eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el8eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el8eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-databind-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-jaxrs-providers-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-modules-base-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jackson-modules-java8-0:2.18.8-1.redhat_00003.1.el8eap
- eap7-jboss-remoting-0:5.0.31-3.SP2_redhat_00001.1.el8eap
- eap7-jboss-server-migration-0:1.10.0-46.Final_redhat_00044.1.el8eap
- eap7-netty-0:4.1.135-1.Final_redhat_00001.1.el8eap
- eap7-netty-transport-native-epoll-0:4.1.135-1.Final_redhat_00001.1.el8eap
- eap7-picketlink-bindings-0:2.5.5-30.SP12_redhat_00020.1.el8eap
- eap7-picketlink-federation-0:2.5.5-24.SP12_redhat_00016.1.el8eap
- eap7-undertow-0:2.2.40-1.SP3_redhat_00001.1.el8eap
- eap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el8eap
- eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el9eap
- eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el9eap
- eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el9eap
- eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el9eap
- eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el9eap
- RHSA-2026:53806
- RHSA-2026:53644
- RHSA-2026:53645
- RHSA-2026:53646
- RHSA-2026:70277
- RHSA-2026:70230
- RHSA-2026:70228
- RHSA-2026:70229
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
Mitigation
Upgrade to a fixed release: org.jboss.eap/wildfly-clustering-infinispan-marshalling:7.4.25.GA-redhat-00001, eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap, eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap, eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap, eap7-jackson-annotations-0:2.18.8-1.redhat_00003.1.el7eap, eap7-jackson-core-0:2.18.8-1.redhat_00003.1.el7eap. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 15 hours ago·verify at source
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