Vulnerabilities CVE-2026-15555

CVE-2026-15555

High

Open

TLP:CLEAR

Jboss-marshalling-river: wildfly-clustering-infinispan-marshalling: jboss deserialization rce via unfiltered river unmarshaller

NVD CVE.org

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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.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.26%

17.8th percentile
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 12, 2026

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