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VULNERABILITIES

CVE-2026-15555 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:53644 [email protected]
https://access.redhat.com/errata/RHSA-2026:53645 [email protected]
https://access.redhat.com/errata/RHSA-2026:53646 [email protected]
https://access.redhat.com/errata/RHSA-2026:53806 [email protected]
https://access.redhat.com/errata/RHSA-2026:70228 [email protected]

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-502Deserialization of Untrusted Data[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-15555
NVD Published Date:
Aug 11, 2026
NVD Last Modified:
Sep 25, 2026
Source:
[email protected]
CVE-2026-15555 Details - Not Deferred