CVE-2025-12466: Simple OAuth (OAuth2) & OpenID Connect - Critical - Access bypass - SA-CONTRIB-2025-114
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Simple OAuth (OAuth2) & OpenID Connect allows Authentication Bypass. This issue affects Simple OAuth (OAuth2) & OpenID Connect: from 6.0.0 before 6.0.7.
Other sources
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Simple OAuth (OAuth2) & OpenID Connect allows Authentication Bypass.This issue affects Simple OAuth (OAuth2) & OpenID Connect: from 6.0.0 before 6.0.7.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/drupal/simple_oauthto a version that resolves this vulnerability.Fixed in 6.0.7
Event History
Frequently Asked Questions
What is the severity of CVE-2025-12466?
CVE-2025-12466 is considered a critical vulnerability due to its ability to allow authentication bypass in Drupal Simple OAuth and OpenID Connect.
How do I fix CVE-2025-12466?
To fix CVE-2025-12466, upgrade your Drupal Simple OAuth or OpenID Connect module to version 6.0.7 or higher.
Which versions are affected by CVE-2025-12466?
CVE-2025-12466 affects Drupal Simple OAuth and OpenID Connect versions from 6.0.0 before 6.0.7.
What type of vulnerability is CVE-2025-12466?
CVE-2025-12466 is classified as an authentication bypass vulnerability.
Who is impacted by CVE-2025-12466?
Any user of Drupal Simple OAuth or OpenID Connect versions before 6.0.7 is potentially impacted by CVE-2025-12466.