PYSEC-2026-1765

Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 17:25
VLAI
Details

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.

Severity
5.0 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Impacted products
Name purl
peppol-py pkg:pypi/peppol-py
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "peppol-py",
        "purl": "pkg:pypi/peppol-py"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0",
        "1.1.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-66371",
    "GHSA-24hm-wm2h-h8w7"
  ],
  "details": "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.",
  "id": "PYSEC-2026-1765",
  "modified": "2026-07-07T17:25:00.417833Z",
  "published": "2026-07-07T16:03:11.009339Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66371"
    },
    {
      "type": "WEB",
      "url": "https://github.com/iterasdev/peppol-py/pull/16"
    },
    {
      "type": "WEB",
      "url": "https://github.com/iterasdev/peppol-py/commit/349a4bff8adb6205ea411bac8d7a06da0477abd7"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/iterasdev/peppol-py"
    },
    {
      "type": "WEB",
      "url": "https://github.com/iterasdev/peppol-py/releases/tag/1.1.1"
    },
    {
      "type": "WEB",
      "url": "https://invoice.secvuln.info"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/peppol-py"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-24hm-wm2h-h8w7"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Peppol-py is vulnerable to XXE attacks due to Saxon configuration"
}



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Nomenclature

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