Low · CVSS 3.5CVE-2026-96384

Mermaid Diagram Field - Moderately critical - Access bypass - SA-CONTRIB-2026-180CVE-2026-96384

Answer in brief

CVE-2026-96384 records a Low severity (CVSS 3.5) vulnerability in Mermaid Diagram Field - Moderately critical - Access bypass - SA-CONTRIB-2026-180. The current sources do not mark it as known exploited. The current feed maps Drupal/Mermaid Diagram Field (generic), drupal/mermaid_diagram_field (packagist:https://packages.drupal.org/8). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 22, 2026Updated Oct 22, 2026Source checked Oct 25, 2026First seen by HOL Sep 23, 2026Material review Oct 22, 2026

Upstream Advisory

Key facts

Risk: Low · CVSS 3.5
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 3.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Drupal/Mermaid Diagram Field (generic), drupal/mermaid_diagram_field (packagist:https://packages.drupal.org/8). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Drupal/Mermaid Diagram Fieldgeneric	>=1.0.4 <1.0.9	1.0.9
drupal/mermaid_diagram_fieldpackagist:https://packages.drupal.org/8	>=1.0.4 <1.0.9	1.0.9

Recommended response

Check inventory. Check lockfiles and deployed manifests for Drupal/Mermaid Diagram Field, drupal/mermaid_diagram_field.
Review the reported fix. Update Drupal/Mermaid Diagram Field to 1.0.9; drupal/mermaid_diagram_field to 1.0.9 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 23, 2026

Sources and claim methodology

Source referencedrupal.org

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.