CVE-2026-15564
Full vulnerability record from the local CVENow database.
Description
Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.
Severity
HIGH
CVSS score
7.4
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-29 06:17:20.590000
Last modified
2026-10-29 18:17:30.800000
View original CVE JSON
{
"id": "CVE-2026-15564",
"sourceIdentifier": "[email protected]",
"published": "2026-10-29T06:17:20.590",
"lastModified": "2026-10-29T18:17:30.800",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat JBoss Enterprise Application Platform 7",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"packageName": "wildfly-ejb3",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat JBoss Enterprise Application Platform 7",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"packageName": "wildfly-iiop-openjdk",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat JBoss Enterprise Application Platform 8",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"packageName": "wildfly-ejb3",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat JBoss Enterprise Application Platform 8",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"packageName": "wildfly-iiop-openjdk",
"cpes": [
"cpe:/a:redhat:jboss_enterprise_application_platform:8"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.4,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-29T15:37:42.666505Z",
"id": "CVE-2026-15564",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-829"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/security/cve/CVE-2026-15564",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2478005",
"source": "[email protected]"
}
]
}