CVE-2026-15555

Published: Aug 11, 2026Modified: Aug 24, 2026

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: secalert@redhat.com (Secondary)

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.

Related CWEs

CWE-502

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (4)

https://access.redhat.com/errata/RHSA-2026:53644

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:53806

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2026-15555

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2480637

Source: secalert@redhat.com

Timeline

No history available yet.