---
id: CVE-2025-59940
title: mkdocs-include-markdown-plugin is an Mkdocs Markdown includer plugin
summary: >-
  mkdocs-include-markdown-plugin is an Mkdocs Markdown includer plugin. In
  versions 7.1.7 and below, there is a vulnerability where unvalidated input can
  collide with substitution placeholders. This issue is fixed in version 7.1.8.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-20
vendor: Red Hat
product: Multicluster Engine for Kubernetes
affected:
  - assisted_installer_for_red_hat_openshift_container_platform 2
  - multicluster_engine_for_kubernetes
  - openshift_container_platform 4
patched:
  - mkdocs-include-markdown-plugin 7.1.8
published: '2025-09-29'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T09:10:00.213'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59940'
references:
  - url: >-
      https://github.com/mondeja/mkdocs-include-markdown-plugin/commit/7466d67aa0de8ffbc427204ad2475fed07678915
    label: security-advisories@github.com
  - url: 'https://github.com/mondeja/mkdocs-include-markdown-plugin/issues/274'
    label: security-advisories@github.com
  - url: 'https://github.com/mondeja/mkdocs-include-markdown-plugin/pull/277'
    label: security-advisories@github.com
  - url: >-
      https://github.com/mondeja/mkdocs-include-markdown-plugin/security/advisories/GHSA-v39m-5m9j-m9w9
    label: security-advisories@github.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59940.json
  - url: 'https://access.redhat.com/security/cve/CVE-2025-59940'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2400372'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2025-59940'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59940'
  - url: 'https://github.com/mondeja/mkdocs-include-markdown-plugin'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - osv
  - pip
epss: 0.00341
epssPercentile: 0.27468
aliases:
  - GHSA-v39m-5m9j-m9w9
  - PYSEC-2026-1632
ecosystem: pip
ingestedAt: '2026-07-08T18:25:53.057Z'
---

## Overview

mkdocs-include-markdown-plugin is an Mkdocs Markdown includer plugin. In versions 7.1.7 and below, there is a vulnerability where unvalidated input can collide with substitution placeholders. This issue is fixed in version 7.1.8.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2025-59940)

Affected packages:

- `mkdocs-include-markdown-plugin < 7.1.8`

Patched in:

- `mkdocs-include-markdown-plugin 7.1.8`

Source: https://osv.dev/vulnerability/GHSA-v39m-5m9j-m9w9

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Assisted Installer for Red Hat OpenShift Container Platform 2, Multicluster Engine for Kubernetes, Red Hat OpenShift Container Platform 4 · no fix planned: Assisted Installer for Red Hat OpenShift Container Platform 2, Multicluster Engine for Kubernetes, Red Hat OpenShift Container Platform 4 · updated 2026-09-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59940.json)