Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-96391Webform REST - Less critical - Access bypass - SA-CONTRIB-2026-186
Medium 4.3
In plain English
A medium-severity missing authorization in Webform REST from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 77.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. This issue affects Webform REST versions: from 0.0.0 to 4.2.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/webform_rest | 4.2.1 | DRUPAL-CONTRIB-2026-186 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Webform REST | 0.0.0 – before 4.2.1 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N