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CVE-2026-9171

Full vulnerability record from the local CVENow database.

Description

IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-17 19:17:19.520000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
  "id": "CVE-2026-9171",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-17T19:17:19.520",
  "lastModified": "2026-10-24T20:10:00.137",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources."
    },
    {
      "lang": "es",
      "value": "IBM PowerVM Novalink son vulnerables a una denegación de servicio, causada por el envío de una solicitud especialmente diseñada. Un atacante remoto podría explotar esta vulnerabilidad para hacer que el servidor consuma recursos de memoria."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "PowerVM Novalink",
          "defaultStatus": "unaffected",
          "cpes": [
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            "cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "2.2.02.2.12.2.1.1",
              "status": "affected"
            },
            {
              "version": "2.3.02.3.0.12.3.12.3.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
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            },
            {
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            },
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            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
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          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
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  "references": [
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      "url": "https://www.ibm.com/support/pages/node/7280226",
      "source": "[email protected]",
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        "Vendor Advisory"
      ]
    }
  ]
}