FKIE_CVE-2026-8633

Vulnerability from fkie_nvd - Published: 2026-05-26 18:16 - Updated: 2026-05-27 18:12
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 Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request.
References
psirt@us.ibm.comhttps://www.ibm.com/support/pages/node/7274072Vendor Advisory
Impacted products
Vendor Product Version
ibm websphere_application_server *
ibm websphere_application_server *
ibm websphere_application_server *
ibm websphere_application_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "631AA3FA-7D84-45CB-A5DB-9DEB7ABF32E7",
              "versionEndIncluding": "8.5.5.29",
              "versionStartIncluding": "8.5.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*",
              "matchCriteriaId": "5E720E76-CEDA-45EE-BCAF-57084994FCBB",
              "versionEndIncluding": "8.5.5.29",
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "C7A90C7D-5C17-4C1E-B6F8-9E70851863AA",
              "versionEndIncluding": "9.0.5.27",
              "versionStartIncluding": "9.0.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*",
              "matchCriteriaId": "9A26A652-4DE4-4D8D-8D8E-3F4DCE7BD392",
              "versionEndIncluding": "9.0.5.27",
              "versionStartIncluding": "9.0.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request."
    }
  ],
  "id": "CVE-2026-8633",
  "lastModified": "2026-05-27T18:12:04.373",
  "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": "psirt@us.ibm.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-05-26T18:16:56.513",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7274072"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Primary"
    }
  ]
}


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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

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.