Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)

{
  "id": "0cc9afb717c49e255cf6ad4dbba2c436ffbc74415217ff523c36f39dbad0a351",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-48356",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)",
    "summary": "Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.",
    "evidence": "cve:CVE-2026-48356",
    "products": [
      {
        "name": {
          "value": "Adobe Commerce",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Adobe Commerce B2B",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Magento Open Source",
          "evidence": "/containers/cna/affected/2/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Adobe Commerce Events",
          "evidence": "/containers/cna/affected/3/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-48356",
      "aliases": [
        "CVE-2026-48356"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "CHANGED",
            "version": "3.1",
            "baseScore": 9.3,
            "attackVector": "NETWORK",
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
            "modifiedScope": "CHANGED",
            "temporalScore": 9.3,
            "integrityImpact": "HIGH",
            "userInteraction": "REQUIRED",
            "attackComplexity": "LOW",
            "remediationLevel": "NOT_DEFINED",
            "reportConfidence": "NOT_DEFINED",
            "temporalSeverity": "CRITICAL",
            "availabilityImpact": "NONE",
            "environmentalScore": 9.3,
            "privilegesRequired": "NONE",
            "exploitCodeMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackVector": "NETWORK",
            "confidentialityImpact": "HIGH",
            "environmentalSeverity": "CRITICAL",
            "availabilityRequirement": "NOT_DEFINED",
            "modifiedIntegrityImpact": "HIGH",
            "modifiedUserInteraction": "REQUIRED",
            "modifiedAttackComplexity": "LOW",
            "confidentialityRequirement": "NOT_DEFINED",
            "modifiedAvailabilityImpact": "NONE",
            "modifiedPrivilegesRequired": "NONE",
            "modifiedConfidentialityImpact": "HIGH"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Adobe",
          "product": "Adobe Commerce",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18"
            },
            {
              "status": "unaffected",
              "version": "2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-jul",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Adobe",
          "product": "Adobe Commerce B2B",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18"
            },
            {
              "status": "unaffected",
              "version": "1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-jul",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Adobe",
          "product": "Magento Open Source",
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            {
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              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15"
            },
            {
              "status": "unaffected",
              "version": "2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Adobe",
          "product": "Adobe Commerce Events",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "1.20.0"
            },
            {
              "status": "unaffected",
              "version": "1.21.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T03:55:44.631Z",
      "provider": "cve",
      "references": [
        "https://helpx.adobe.com/security/products/magento/apsb26-73.html"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-48356",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-07-14T00:00:00+00:00"
                  }
                }
              }
            ],
            "references": [
              {
                "url": "https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise",
                "tags": [
                  "third-party-advisory"
                ]
              },
              {
                "url": "https://sansec.io/research/polyshell-mass-attack-wave",
                "tags": [
                  "third-party-advisory"
                ]
              },
              {
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356",
                "tags": [
                  "government-resource"
                ]
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T03:55:44.631Z"
            }
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        ],
        "cna": {
          "orgId": "078d4453-3bcd-4900-85e6-15281da43538",
          "shortName": "adobe",
          "dateUpdated": "2026-08-27T22:39:18.114Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-48356",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 411672,
  "published_at": "2026-07-14T19:44:17.036+00:00"
}