drupal/webform - SA-CONTRIB-2026-174
The Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data.
Webform did not sufficiently guard user-specific access rules against a malformed saved configuration. Under certain site-specific conditions, an access rule intended to grant submission access only to selected user accounts could also grant access to anonymous users.
This vulnerability is mitigated by the fact that the bypass depends on malformed saved access-rule configuration.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/webform | < 6.2.12, >= 6.3.0, < 6.3.1 | 6.2.12, 6.3.1 |
| Drupal module | drupal/webform | < 6.2.12, >= 6.3.0, < 6.3.1 | 6.2.12, 6.3.1 |
References
- Weakness (CWE)
-- Platform
- Composer, Drupal
- Package
drupal/webform- Disclosed
- 23.09.2026
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - DRUPAL-CONTRIB-2026-174 - CC BY-SA 2.0; code GPL-2.0-or-later
Vulnerability history: drupal/webform
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 31
- First → latest
- 05.2020 09.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Unrated 31
Disclosures per year
- 2020: 8
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 20
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