CVE-2026-9338
Estado: AnalizadaMedia (5.3)—
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to trigger excessive resource consumption, potentially leading to reduced availability of the affected service.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.49%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-400
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-9338",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-9338",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-10T19:00:51.645148Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "psirt@us.ibm.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@us.ibm.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"
],
"vendor": "IBM",
"product": "WebSphere Application Server",
"versions": [
{
"status": "affected",
"version": "9.0"
},
{
"status": "affected",
"version": "8.5"
}
]
}
]
}
],
"published": "2026-09-10T19:17:42.807",
"references": [
{
"url": "https://www.ibm.com/support/pages/node/7286610",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "psirt@us.ibm.com",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to trigger excessive resource consumption, potentially leading to reduced availability of the affected service."
}
],
"lastModified": "2026-09-16T18:14:23.920",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D2ED5926-EC53-4323-ACF8-92D20C19844C",
"versionEndExcluding": "8.5.5.31",
"versionStartIncluding": "8.5.0.0"
},
{
"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B3C1AEF3-FBE4-4E80-846D-F4DC17127B4E",
"versionEndExcluding": "9.0.5.29",
"versionStartIncluding": "9.0.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@us.ibm.com"
}