Live › vulnerability › CVE-2026-118572
The Drupal OAuth Login - OAuth OIDC SSO module has an authentication bypass flaw that lets a user log in without going through the intended sign-in path. An attacker who uses the alternate channel can gain access to accounts on affected sites.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-30 04:28 UTC. All times on this page are UTC.
Drupal sites that have the OAuth Login - OAuth OIDC SSO module installed at version 3.1.1 or earlier, where it handles single sign-on logins. Sites without this module, or running a newer version, are not affected. The sources do not describe the exact configuration needed to trigger the bypass.
No product ranges from the sources yet.
drush pm:list or the module list at /admin/modules) and compare it with the affected range.3.1.1 are in the affected range per the source; the fixed version is unknown.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OAuth Login - OAuth OIDC SSO allows Authentication Bypass. This issue affects OAuth Login - OAuth OIDC SSO versions: from 0.0.0 to 3.1.1.
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