VULNERABILITY INTELLIGENCE
CVE-2026-15555
CVSS score8.8 HIGH
EPSS probability0.84%
CISA KEVNot currently listed
Published2026-08-11
Last modified2026-11-01
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- secalert@redhat.com: CWE-502