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CVE-2026-15560VulnerabilityPublished Updated

when EAP runs with -secmgr, the openjdk-orb's JDKBridge honours attacker-supplied CDR codebase URLs during object

Source GCVE Database

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Authoritative record:CVE-2026-15560· High 8.1

Not known to be exploited · CVSS 8.1 High : patch Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 soon.

Data as of 6 Nov 2026, 19:19 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.18.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat JBoss Enterprise Application Platform 7.4.25openjdk-orbAffected–Fixed in–
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7eap7-activemq-artemisAffected–Fixed in–
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7eap7-glassfish-jsfAffected–Fixed in–
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7eap7-ironjacamarAffected–Fixed in–
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7eap7-jackson-annotationsAffected–Fixed in–
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7eap7-jackson-coreAffected–Fixed in–

AI-suggested

A security update addressing this vulnerability is available in Red Hat JBoss Enterprise Application Platform 7.4.25. Users should upgrade to this version or later to remediate the issue. No other mitigation or workaround is indicated in the vendor advisory.

Description

CVE-2026-15560 is a vulnerability in Red Hat JBoss Enterprise Application Platform 7.4 where the openjdk-orb's JDKBridge component honors attacker-supplied CDR codebase URLs during object unmarshalling on port 3528. This allows an unauthenticated attacker to load and instantiate arbitrary classes from a remote URL in the server JVM before EJB security interceptors execute. The vulnerability has a high severity with a CVSS score of 8.1. A security update is available in Red Hat JBoss Enterprise Application Platform 7.4.25 that addresses this issue.

References

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