DRUPAL-CONTRIB-2026-027
NoneCVSS
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EPSS
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Published
Mar 4, 2026
CISA due date
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The record
This module enables you to use an external OpenID Connect login provider to authenticate and log in users on your site. If a user signs in with a login provider for the first time on the website, a new Drupal user will be created. The module doesn't sufficiently validate the uniqueness of certain user fields depending on the database engine and its collation. As a result, a user may be able to register with the same email address as another user. This may lead to data integrity issues.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/openid_connect | 0 | 1.5.0 |
Related vulnerabilities
- CVE-2026-3532 Improper Handling of Case Sensitivity vulnerability in Drupal OpenID Connect / OAuth… Same vulnerability
- CVE-2026-3530 Server-Side Request Forgery (SSRF) vulnerability in Drupal OpenID Connect / OAuth client… Also affects drupal/openid_connect
- CVE-2026-3531 Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID… Also affects drupal/openid_connect
- DRUPAL-CONTRIB-2026-026 This module enables you to use an external OpenID Connect login provider to authenticate… Also affects drupal/openid_connect
- DRUPAL-CONTRIB-2026-025 This module enables you to use an external OpenID Connect login provider to authenticate… Also affects drupal/openid_connect