Security advisory

{
  "id": "527532e0fc3f466287e4349feae237da73df879b98bd64830dd0d64b4f2e0002",
  "url": "https://osv.dev/vulnerability/CVE-2025-56265",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-56265",
    "summary": "An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.",
    "evidence": "osv:CVE-2025-56265",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-56265",
      "aliases": [
        "CVE-2025-56265",
        "GHSA-v2x8-97xq-8xrr"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/n8n-io/n8n",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7a82358fcfed177dd0f3d2d0bc5438b7a23e1542"
                },
                {
                  "last_affected": "df6236e9dd6ef9603432839615c2a73c9506a83f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "1.95.3"
                      },
                      {
                        "last_affected": "1.95.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:n8n:n8n:1.100.1:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "1.100.1"
                      },
                      {
                        "last_affected": "1.100.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:n8n:n8n:1.101.1:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "1.101.1"
                      },
                      {
                        "last_affected": "1.101.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.100.1",
            "1.101.1",
            "1.95.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-56265.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.555246395Z",
      "provider": "osv",
      "references": [
        "https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt",
        "https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1",
        "https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56265.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-56265"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56265.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-56265",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497734,
  "published_at": "2025-09-08T00:00:00+00:00"
}