What is GHSA-8qrr-8665-54fg?

GHSA-8qrr-8665-54fg is a security advisory published by GitHub Security Advisories with High severity. A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes...

Which CVE IDs does GHSA-8qrr-8665-54fg cover?

GHSA-8qrr-8665-54fg covers the following CVE IDs: CVE-2026-15555. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8qrr-8665-54fg?

GHSA-8qrr-8665-54fg has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-8qrr-8665-54fgHighCVSS 8.8

A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-15555 →

📋 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.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-15555
https://access.redhat.com/security/cve/CVE-2026-15555
https://bugzilla.redhat.com/show_bug.cgi?id=2480637
https://access.redhat.com/errata/RHSA-2026:53644
https://access.redhat.com/errata/RHSA-2026:53806
https://github.com/advisories/GHSA-8qrr-8665-54fg