High [CVE-2026-15560] unauthed class loading via IIOP in EAP
This high-severity Red Hat Linux advisory covers CVE-2026-15560 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.
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Summary
when EAP runs with -secmgr, the openjdk-orb's JDKBridge honours attacker-supplied CDR codebase URLs during object unmarshalling on:3528, allowing an unauthenticated attacker to load and instantiate arbitrary classes from a remote URL in the server JVM before EJB security interceptors run.
Red Hat severity: Important — CVSS 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-829.
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 lists Red Hat JBoss Enterprise Application Platform Expansion Pack as not affected. 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-iiop-openjdk: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-iiop-openjdk: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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