CVE-2026-43975

{
  "id": "CVE-2026-43975",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-06T10:16:26.163",
  "lastModified": "2026-10-26T19:10:00.163",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FolderUploadsFileManager in Apache Wicket does not validate or sanitize the uploadFieldId parameter or the clientFileName\n before constructing file paths, allowing an unauthenticated attacker to\n write arbitrary files outside the intended upload directory or read \nfiles from arbitrary locations on the server.\n\nThis issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0.\n\nUsers are recommended to upgrade to version 10.9.0, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "FolderUploadsFileManager en Apache Wicket no valida ni sanea el parámetro uploadFieldId o el clientFileName antes de construir rutas de archivo, permitiendo a un atacante no autenticado escribir archivos arbitrarios fuera del directorio de carga previsto o leer archivos desde ubicaciones arbitrarias en el servidor.\n\nEste problema afecta a Apache Wicket: desde 8.0.0 hasta 8.17.0, desde 9.0.0 hasta 9.22.0, desde 10.0.0 hasta 10.8.0.\n\nSe recomienda a los usuarios actualizar a la versión 10.9.0, que corrige el problema."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Wicket",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "10.0.0",
              "lessThanOrEqual": "10.8.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.0.0",
              "lessThanOrEqual": "9.22.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "8.0.0",
              "lessThanOrEqual": "8.17",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-06T13:05:40.482670Z",
          "id": "CVE-2026-43975",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.0.0",
              "versionEndIncluding": "8.17.0",
              "matchCriteriaId": "757E1B16-2C43-4B59-82BE-DEA456EF0F28"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.0.0",
              "versionEndIncluding": "9.22.0",
              "matchCriteriaId": "7977D77A-1CBF-41E0-BFE7-55C5B22CD85C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "10.0.0",
              "versionEndExcluding": "10.9.0",
              "matchCriteriaId": "CE199A15-1741-4988-8C6A-D54F202F65E3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/apache/wicket/pull/1432",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://lists.apache.org/thread/xp2jrdk6ppv1zcmxb4w1mk2lg1dw3hbr",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/05/06/4",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    }
  ]
}