---
id: "CVE-2026-96384"
kind: "vulnerability"
aliases: ["CVE-2026-96384"]
title: "Drupal Mermaid Diagram Field: forceful browsing exposes content without authorization"
severity: "low"
cvss: 3.5
epss: 0.00243
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["drupal", "package", "php", "self-hosted"]
not_affected_if: ["default-config"]
published_at: "2026-10-22T02:17:08+00:00"
first_seen_at: "2026-10-23T21:57:30+00:00"
updated_at: "2026-10-25T04:45:36+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-96384", "first_seen_at": "2026-10-23T21:57:30+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-96384", "first_seen_at": "2026-10-24T07:15:51+00:00"}]
---

# Drupal Mermaid Diagram Field: forceful browsing exposes content without authorization

The Drupal Mermaid Diagram Field module has an incorrect authorization check that lets a user reach content by directly requesting its URL. The sources do not say what content is exposed or how much an attacker gets from it.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version of the Mermaid Diagram Field module with `drush pm:list --filter=mermaid` or in composer.lock for `drupal/mermaid_diagram_field`
- unknown

## Fix

- Upgrade the Mermaid Diagram Field module to a version after `1.0.9`, the last affected version listed in the sources
- unknown

## Timeline

- 2026-10-23T21:57:30+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-96384
- 2026-10-24T07:15:51+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-96384

## From the sources

Incorrect Authorization vulnerability in Drupal Mermaid Diagram Field allows Forceful Browsing. This issue affects Mermaid Diagram Field versions: from 1.0.4 to 1.0.9.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_