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Vulnerabilities

Vulnerability · CVE-2025-66371

Peppol-py before 1.1.1 allows XXE attacks because of the Saxon configuration.

Published Nov 28, 2025 · catalog updated Jan 27, 2026 · ITERAS Peppol-py

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66371. EPSS is 0.34%. Act only if a listed version of ITERAS Peppol-py is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Version ranges on file
Affected products
vendor ITERAS Peppol-py 0 <1.1.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ITERAS Peppol-py 0 <1.1.10 <1.1.1

How to fix CVE-2025-66371

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66371. EPSS is 0.34%. Act only if a listed version of ITERAS Peppol-py is installed.

Which versions are affected?

Compare what you have installed with ITERAS Peppol-py 0 <1.1.1 0 <1.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 28, 2025 · EUVD

    Detected

    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.

  2. Jan 27, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-66371

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66371

    30-day exploitation probability 0.34%

    first.org
  • EUVDVulnerability recordEUVD-2025-199852

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 27, 2026