CVE-2026-15555

—

CVSS 3.1

8.8 high

EPSS

<1%p18

Published

Aug 11, 2026 (Aug 11, 2026)

Modified

Aug 24, 2026

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: CWE-502
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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