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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-3532US | medium4.2 | — | ||
Improper Handling of Case Sensitivity vulnerability in Drupal OpenID Connect / OAuth client allows Privilege Escalation.This issue affects OpenID Connect / OAuth client: from 0.0.0… | ||||
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references
External citations — patches, advisories, analysis.
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