CVE-2025-66371Medium · CVSS 5EPSS 0.34%Fix availableCVE-2025-66371Peppol-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.peppol-pyPythonUpdate to 1.1.1Published November 28, 2025Updated January 27, 2026Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗