CVE-2026-16644
Critical
Description
Incorrect Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. This issue affects Webform REST versions: from 0.0.0 to 4.1.0.
SeverityCritical
CVSS9.1
Exploit probability—
ProductDrupal/webform Rest
PublishedAug 25, 2026
First seenAug 25, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- drupal/webform_rest4.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| drupal/webform_restPackagist:https://packages.drupal.org/8 | v < 4.1.0 | 4.1.0 |
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