Remote Code Execution Vulnerability in OpenJDK ORB - Red Hat
CVE-2026-15560

8.1HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Jboss Enterprise Application Platform 7
Red Hat Jboss Enterprise Application Platform 8
Red Hat Jboss Enterprise Application Platform Expansion Pack
Vendor
CVE Published:
11 August 2026

What is CVE-2026-15560?

A vulnerability exists in OpenJDK ORB when run with the -secmgr option. This flaw permits an unauthenticated attacker to supply malicious codebase URLs during object unmarshalling. As a result, the attacker can load and instantiate arbitrary Java classes from a remote URL before EJB security interceptors are triggered, potentially leading to unauthorized actions within the server environment.

References

https://access.redhat.com/security/cve/CVE-2026-15560
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2483131
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.