Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-96384Mermaid Diagram Field - Moderately critical - Access bypass - SA-CONTRIB-2026-180
Low 3.5
In plain English
A low-severity incorrect authorization in Mermaid Diagram Field from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.2%top 90.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/mermaid_diagram_field | 1.0.9 | DRUPAL-CONTRIB-2026-180 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Mermaid Diagram Field | 1.0.4 – before 1.0.9 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N