Vulnerability · Published Nov 28, 2025 · Assigned by mitre

CVE-2025-66371

Medium 5.0

In plain English

A medium-severity XML external entity in Peppol-py from Iteras. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIpeppol-py1.1.1GHSA-24hm-wm2h-h8w7
PyPIpeppol-py1.1.1PYSEC-2026-1765

Affected products (as reported)

VendorProductVersions
Iteras Peppol-py 0 – before 1.1.1

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

References