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TYPO3 CMS - Destructive Actions on File Mount Folders

Type: advisorySources: OSV

Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-47343
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 18:57 UTC · Revision 1

Source evidence

TYPO3 CMS - Destructive Actions on File Mount Folders

core-osv · Original source

Published 9 Jun 2026, 10:49 UTC

Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.

osv:CVE-2026-47343
Complete source record
{
  "id": "50b4ae1b569bb49118a7d3fd8ff91634d55fef526cd714223d32475eb72c0831",
  "url": "https://osv.dev/vulnerability/CVE-2026-47343",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TYPO3 CMS - Destructive Actions on File Mount Folders",
    "summary": "Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.",
    "evidence": "osv:CVE-2026-47343",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-47343",
      "aliases": [
        "CVE-2026-47343",
        "GHSA-3v8v-4wg6-r7qh"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/typo3/typo3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fd8745e46bb11773e85524b8ee9650dabe340713"
                },
                {
                  "fixed": "59bfeaaf0136dfe17011786ce825884e48bedc8d"
                },
                {
                  "introduced": "6d6bd23afff6a48ee3efeaa68eb829820397d6a1"
                },
                {
                  "fixed": "e16ec78165a7d60f09dcac04bfbb309409e174b3"
                },
                {
                  "fixed": "504e72470ff72aaf5d2256878bf473747f389798"
                },
                {
                  "fixed": "ac4125aef8b9b94528a7f74db2444db57b05a87b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "13.0.0"
                      },
                      {
                        "fixed": "13.4.31"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "14.0.0"
                      },
                      {
                        "fixed": "14.3.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "504e72470ff72aaf5d2256878bf473747f389798"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ac4125aef8b9b94528a7f74db2444db57b05a87b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v14.3.2",
            "v13.4.30",
            "v14.3.1",
            "v13.4.29",
            "v14.3.0",
            "v13.4.28",
            "v14.2.0",
            "v13.4.27",
            "v13.4.26",
            "v14.1.0",
            "v13.4.25",
            "v13.4.24",
            "v13.4.23",
            "v13.4.22",
            "v13.4.21",
            "v14.0.0",
            "v13.4.20",
            "v13.4.19",
            "v13.4.18",
            "v13.4.17",
            "v13.4.16",
            "v13.4.15",
            "v13.4.14",
            "v13.4.13",
            "v13.4.12",
            "v13.4.11",
            "v13.4.10",
            "v13.4.9",
            "v13.4.8",
            "v13.4.7",
            "v13.4.6",
            "v13.4.5",
            "v13.4.4",
            "v13.4.3",
            "v13.4.2",
            "v13.4.1",
            "v13.4.0",
            "v13.3.0",
            "v13.2.1",
            "v13.2.0",
            "v13.1.0",
            "v13.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47343.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.484272157Z",
      "provider": "osv",
      "references": [
        "https://packagist.org",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47343.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-47343",
        "https://typo3.org/security/advisory/typo3-core-sa-2026-007",
        "https://github.com/TYPO3/typo3/commit/504e72470ff72aaf5d2256878bf473747f389798",
        "https://github.com/TYPO3/typo3/commit/ac4125aef8b9b94528a7f74db2444db57b05a87b",
        "https://github.com/TYPO3/typo3"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "TYPO3",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "10.4.57"
                  },
                  {
                    "introduced": "11.0.0"
                  },
                  {
                    "fixed": "11.5.51"
                  },
                  {
                    "introduced": "12.0.0"
                  },
                  {
                    "fixed": "12.4.46"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47343.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-47343",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498585,
  "published_at": "2026-06-09T10:49:07.575+00:00"
}