---
id: CVE-2022-37189
aliases:
  - GHSA-6xm7-3cc5-47f9
  - PYSEC-2026-847
title: >-
  MEI2Volpiano is vulnerable to XML External Entity (XXE), leading to a Denial
  of Service (DoS)
summary: >-
  MEI2Volpiano is vulnerable to XML External Entity (XXE), leading to a Denial
  of Service (DoS)
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
vendor: mei2volpiano
product: mei2volpiano
ecosystem: pip
affected:
  - mei2volpiano <= 0.8.2
published: '2022-09-08'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-6xm7-3cc5-47f9'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2022-37189'
  - url: 'https://docs.python.org/3/library/xml.html#xml-vulnerabilities'
  - url: 'https://github.com/DDMAL/MEI2Volpiano'
  - url: >-
      https://github.com/DDMAL/MEI2Volpiano/blob/987b70fff991235e682405f901388af0f414eaa8/mei2volpiano/mei2volpiano.py#L59
  - url: 'https://pyup.io/vulnerabilities/CVE-2022-37189/50928'
tags:
  - osv
  - pip
epss: 0.01409
epssPercentile: 0.71466
ingestedAt: '2026-07-08T18:25:46.564Z'
---

## Overview

DDMAL MEI2Volpiano 0.8.2 is vulnerable to XML External Entity (XXE), leading to a Denial of Service. This occurs due to the usage of the unsafe 'xml.etree' library to parse untrusted XML input.

## Affected packages

- `mei2volpiano <= 0.8.2`

## Remediation

Refer to the advisory for the patched release.