Openjdk-orb: unauthed class loading via iiop in eap
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8Red Hat · Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9Red Hat · Red Hat JBoss Enterprise Application Platform Expansion PackReferences
https://access.redhat.com/errata/RHSA-2026:53644https://access.redhat.com/errata/RHSA-2026:53645https://access.redhat.com/errata/RHSA-2026:53646https://access.redhat.com/errata/RHSA-2026:53806https://access.redhat.com/errata/RHSA-2026:70228https://access.redhat.com/errata/RHSA-2026:70229https://access.redhat.com/errata/RHSA-2026:70230https://access.redhat.com/security/cve/CVE-2026-15560https://bugzilla.redhat.com/show_bug.cgi?id=2483131