FKIE_CVE-2026-9170

Vulnerability from fkie_nvd - Published: 2026-05-26 18:16 - Updated: 2026-07-20 20:10
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service and a potential remote code execution due to improper input validation.
References
psirt@us.ibm.comhttps://www.ibm.com/support/pages/node/7274065Vendor Advisory
Impacted products
Vendor Product Version
ibm http_server 8.5.0.0
ibm http_server 9.0.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:http_server:8.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:http_server:8.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:http_server:9.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:http_server:9.0.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "HTTP Server",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "8.5"
            },
            {
              "status": "affected",
              "version": "9.0"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:http_server:8.5.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "000FBE9B-D6A0-4C2F-9466-B4E3EBC023AC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:http_server:9.0.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4689F61-762A-4865-942F-FC6245225607",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM HTTP Server 8.5, and 9.0\u00a0is vulnerable to denial of service and a potential remote code execution due to improper input validation."
    },
    {
      "lang": "es",
      "value": "Plug-ins del servidor web de IBM para WebSphere Application Server y WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server y WebSphere Application Server Liberty son vulnerables a denegaci\u00f3n de servicio y una potencial ejecuci\u00f3n remota de c\u00f3digo debido a validaci\u00f3n de entrada incorrecta."
    }
  ],
  "id": "CVE-2026-9170",
  "lastModified": "2026-07-20T20:10:00.110",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-9170",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-27T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-26T18:16:57.987",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7274065"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.