Security advisory

{
  "id": "e7f82d4a97c9b9b6e294f19cde430c0fff651a4e2ea751e509088f720a84e45a",
  "url": "https://osv.dev/vulnerability/CVE-2025-66371",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-66371",
    "summary": "Peppol-py before 1.1.1 allows XXE attacks because of the Saxon configuration. When validating XML-based invoices, the XML parser could read files from the filesystem and expose their content to a remote host.",
    "evidence": "osv:CVE-2025-66371",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-66371",
      "aliases": [
        "CVE-2025-66371",
        "GHSA-24hm-wm2h-h8w7",
        "PYSEC-2026-1765"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/iterasdev/peppol-py",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e0bba5bcd58143ad20e5bbc1f574cc9c7503635e"
                },
                {
                  "fixed": "349a4bff8adb6205ea411bac8d7a06da0477abd7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.1.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e0bba5bcd58143ad20e5bbc1f574cc9c7503635e"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "1.1.1"
                  },
                  {
                    "range": [
                      {
                        "fixed": "349a4bff8adb6205ea411bac8d7a06da0477abd7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.0",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66371.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.933793687Z",
      "provider": "osv",
      "references": [
        "https://github.com/iterasdev/peppol-py/releases/tag/1.1.1",
        "https://invoice.secvuln.info",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66371.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-66371",
        "https://github.com/iterasdev/peppol-py/commit/349a4bff8adb6205ea411bac8d7a06da0477abd7",
        "https://github.com/iterasdev/peppol-py/pull/16"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-611"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66371.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-66371",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504225,
  "published_at": "2025-11-28T00:00:00+00:00"
}