High severity · published Aug 11, 2026
CVE-2026-15563
Wildfly-iiop-openjdk: missing authentication on eap's iiop nameservice leads to mitm or dos
7.4
CVSS
0.7%
EPSS
No
On KEV
Description
A flaw was found in EAP's IIOP. The listener's NameService would accept bind operations without authentication, allowing an attacker to hijack JNDI lookups and binding them to a malicious ORB, achieving MITM or DoS on further invocations.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RB
RHEL-8 based Middleware Containers · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat JBoss Enterprise Application Platform 8.1.8.GA · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Single Sign-On 7.6 for RHEL 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Single Sign-On 7.6 for RHEL 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Single Sign-On 7.6 for RHEL 9 · Red Hat
All versions, or not specified · source: vendor
Affected product
RH
Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15563
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:53644
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:53645
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:53646
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:53806
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:70228
vendor-advisory
https://access.redhat.com/errata/RHSA-2026:70229
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