CVE-2026-55806

{
  "id": "CVE-2026-55806",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-10T22:16:43.460",
  "lastModified": "2026-10-25T15:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de redirección de URL a sitio no confiable (’redirección abierta’) en el núcleo de Drupal Drupal permite la suplantación de contenido. Este problema afecta a las versiones del núcleo de Drupal: desde 0.0.0 hasta 10.5.12, desde 10.6.0 hasta 10.6.11, desde 11.2.0 hasta 11.2.14, desde 11.3.0 hasta 11.3.12, desde 0.0.0 hasta 11.0.*, desde 0.0.0 hasta 11.1.*."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Drupal",
          "product": "Drupal core",
          "collectionURL": "https://www.drupal.org/project/drupal",
          "repo": "https://git.drupalcode.org/project/drupal",
          "versions": [
            {
              "version": "0.0.0",
              "lessThan": "10.5.12",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "10.6.0",
              "lessThan": "10.6.11",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "11.2.0",
              "lessThan": "11.2.14",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "11.3.0",
              "lessThan": "11.3.12",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0.0.0",
              "lessThan": "11.0.*",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0.0.0",
              "lessThan": "11.1.*",
              "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:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-13T18:21:46.004176Z",
          "id": "CVE-2026-55806",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.5.12",
              "matchCriteriaId": "3FA4556B-0535-4AF9-ADB3-49C1CD13E67B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "10.6.0",
              "versionEndExcluding": "10.6.11",
              "matchCriteriaId": "6673BC1A-0B59-4919-B50A-7944C57559E0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "11.0.0",
              "versionEndExcluding": "11.2.14",
              "matchCriteriaId": "1A0D6A3D-FCD1-430B-9040-EC8FC5D6BD67"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "11.3.0",
              "versionEndExcluding": "11.3.12",
              "matchCriteriaId": "BCFBEF4A-AE17-46C5-B449-68A04752636A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.drupal.org/sa-core-2026-007",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}