HIGH 8.8 NVD

CVE-2026-15555

A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller

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.

References

https://access.redhat.com/security/cve/CVE-2026-15555
https://bugzilla.redhat.com/show_bug.cgi?id=2480637

Published: 2026-08-11 · Source: NVD · Feed updated: 2026-08-11

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-08-11 via NVD.

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