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CVE-2025-66371

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Date: November 27, 2025

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 Score

Related Resources (6)

https://github.com/iterasdev/peppol-py/releases/tag/1.1.1
https://nvd.nist.gov/vuln/detail/CVE-2025-66371
https://github.com/iterasdev/peppol-py
https://github.com/iterasdev/peppol-py/commit/349a4bff8adb6205ea411bac8d7a06da0477abd7
https://github.com/iterasdev/peppol-py/pull/16
https://www.mend.io/vulnerability-database/CVE-2025-66371

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference

CWE-611

Top Fix

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Upgrade Version

Upgrade to version peppol-py - 1.1.1;peppol-py - 1.1.1;peppol_py - 1.1.1;https://github.com/iterasdev/peppol-py.git - 1.1.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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